Pilot Index / California / 2021

NCEI Storm Events Source. Day Totals Are Not Individually Verified.

California Hail Map for 2021

51 published severe days across California in 2021.

Updated Oct 28, 2026.

Coverage is partial. 473 source scopes are pending. Pending data is not a zero report count.

Showing 40 of 51 severe days. The map and details show hail reports only. Day totals also include wind and tornado reports.

Sep 24, 2021. 2 of 6 Listed. 1.00 in Hail
  • Hail, 1.00 in

    Sep 24, 2021, 1:24 PM PDT

    WARNER SPGS

    Record
    • Sep 24, 2021, 1:24 PM PDT. Hail, 1.00 in, WARNER SPGS. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:984196.
  • Hail, 1.00 in

    Sep 24, 2021, 2:15 PM PDT

    YUCCA VLY

    Record
    • Sep 24, 2021, 2:15 PM PDT. Hail, 1.00 in, YUCCA VLY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:984988.
Dec 31, 2021. 0 of 12 Listed

Day total. Reports are not individually verified here.

Dec 26, 2021. 0 of 16 Listed

Day total. Reports are not individually verified here.

Dec 23, 2021. 0 of 3 Listed

Day total. Reports are not individually verified here.

Dec 14, 2021. 0 of 27 Listed

Day total. Reports are not individually verified here.

Dec 13, 2021. 0 of 19 Listed

Day total. Reports are not individually verified here.

Nov 25, 2021. 0 of 47 Listed

Day total. Reports are not individually verified here.

Nov 24, 2021. 0 of 13 Listed

Day total. Reports are not individually verified here.

Nov 21, 2021. 0 of 11 Listed

Day total. Reports are not individually verified here.

Nov 8, 2021. 0 of 6 Listed

Day total. Reports are not individually verified here.

Nov 4, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Oct 25, 2021. 0 of 21 Listed

Day total. Reports are not individually verified here.

Oct 24, 2021. 0 of 10 Listed

Day total. Reports are not individually verified here.

Oct 11, 2021. 0 of 48 Listed

Day total. Reports are not individually verified here.

Oct 4, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Sep 9, 2021. 0 of 4 Listed

Day total. Reports are not individually verified here.

Aug 13, 2021. 0 of 4 Listed

Day total. Reports are not individually verified here.

May 20, 2021. 0 of 8 Listed

Day total. Reports are not individually verified here.

May 19, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

May 7, 2021. 0 of 6 Listed

Day total. Reports are not individually verified here.

May 1, 2021. 0 of 3 Listed

Day total. Reports are not individually verified here.

Apr 25, 2021. 0 of 3 Listed

Day total. Reports are not individually verified here.

Apr 24, 2021. 0 of 7 Listed

Day total. Reports are not individually verified here.

Apr 13, 2021. 0 of 10 Listed

Day total. Reports are not individually verified here.

Apr 5, 2021. 0 of 4 Listed

Day total. Reports are not individually verified here.

Mar 31, 2021. 0 of 6 Listed

Day total. Reports are not individually verified here.

Mar 23, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Mar 15, 2021. 0 of 25 Listed

Day total. Reports are not individually verified here.

Mar 8, 2021. 0 of 4 Listed

Day total. Reports are not individually verified here.

Mar 6, 2021. 0 of 10 Listed

Day total. Reports are not individually verified here.

Feb 28, 2021. 0 of 4 Listed

Day total. Reports are not individually verified here.

Feb 27, 2021. 0 of 3 Listed

Day total. Reports are not individually verified here.

Feb 25, 2021. 0 of 48 Listed

Day total. Reports are not individually verified here.

Feb 20, 2021. 0 of 12 Listed

Day total. Reports are not individually verified here.

Feb 18, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Feb 16, 2021. 0 of 6 Listed

Day total. Reports are not individually verified here.

Feb 15, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Feb 14, 2021. 0 of 5 Listed

Day total. Reports are not individually verified here.

Feb 13, 2021. 0 of 40 Listed

Day total. Reports are not individually verified here.

Feb 12, 2021. 0 of 9 Listed

Day total. Reports are not individually verified here.

TimeWhatSize or SpeedWhereDetails
Dec 31, 202112 severe reportsCalifornia0 of 12 listed. Day total. Reports are not individually verified here.
Dec 26, 202116 severe reportsCalifornia0 of 16 listed. Day total. Reports are not individually verified here.
Dec 23, 20213 severe reportsCalifornia0 of 3 listed. Day total. Reports are not individually verified here.
Dec 14, 202127 severe reportsCalifornia0 of 27 listed. Day total. Reports are not individually verified here.
Dec 13, 202119 severe reportsCalifornia0 of 19 listed. Day total. Reports are not individually verified here.
Nov 25, 202147 severe reportsCalifornia0 of 47 listed. Day total. Reports are not individually verified here.
Nov 24, 202113 severe reportsCalifornia0 of 13 listed. Day total. Reports are not individually verified here.
Nov 21, 202111 severe reportsCalifornia0 of 11 listed. Day total. Reports are not individually verified here.
Nov 8, 20216 severe reportsCalifornia0 of 6 listed. Day total. Reports are not individually verified here.
Nov 4, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Oct 25, 202121 severe reportsCalifornia0 of 21 listed. Day total. Reports are not individually verified here.
Oct 24, 202110 severe reportsCalifornia0 of 10 listed. Day total. Reports are not individually verified here.
Oct 11, 202148 severe reportsCalifornia0 of 48 listed. Day total. Reports are not individually verified here.
Oct 4, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Sep 24, 20216 severe reports1.00 in hailCalifornia
2 of 6 Listed
  • Sep 24, 2021, 1:24 PM PDT. Hail, 1.00 in, WARNER SPGS. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:984196.
  • Sep 24, 2021, 2:15 PM PDT. Hail, 1.00 in, YUCCA VLY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:984988.
Sep 9, 20214 severe reportsCalifornia0 of 4 listed. Day total. Reports are not individually verified here.
Aug 13, 20214 severe reportsCalifornia0 of 4 listed. Day total. Reports are not individually verified here.
May 20, 20218 severe reportsCalifornia0 of 8 listed. Day total. Reports are not individually verified here.
May 19, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
May 7, 20216 severe reportsCalifornia0 of 6 listed. Day total. Reports are not individually verified here.
May 1, 20213 severe reportsCalifornia0 of 3 listed. Day total. Reports are not individually verified here.
Apr 25, 20213 severe reportsCalifornia0 of 3 listed. Day total. Reports are not individually verified here.
Apr 24, 20217 severe reportsCalifornia0 of 7 listed. Day total. Reports are not individually verified here.
Apr 13, 202110 severe reportsCalifornia0 of 10 listed. Day total. Reports are not individually verified here.
Apr 5, 20214 severe reportsCalifornia0 of 4 listed. Day total. Reports are not individually verified here.
Mar 31, 20216 severe reportsCalifornia0 of 6 listed. Day total. Reports are not individually verified here.
Mar 23, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Mar 15, 202125 severe reportsCalifornia0 of 25 listed. Day total. Reports are not individually verified here.
Mar 8, 20214 severe reportsCalifornia0 of 4 listed. Day total. Reports are not individually verified here.
Mar 6, 202110 severe reportsCalifornia0 of 10 listed. Day total. Reports are not individually verified here.
Feb 28, 20214 severe reportsCalifornia0 of 4 listed. Day total. Reports are not individually verified here.
Feb 27, 20213 severe reportsCalifornia0 of 3 listed. Day total. Reports are not individually verified here.
Feb 25, 202148 severe reportsCalifornia0 of 48 listed. Day total. Reports are not individually verified here.
Feb 20, 202112 severe reportsCalifornia0 of 12 listed. Day total. Reports are not individually verified here.
Feb 18, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Feb 16, 20216 severe reportsCalifornia0 of 6 listed. Day total. Reports are not individually verified here.
Feb 15, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Feb 14, 20215 severe reportsCalifornia0 of 5 listed. Day total. Reports are not individually verified here.
Feb 13, 202140 severe reportsCalifornia0 of 40 listed. Day total. Reports are not individually verified here.
Feb 12, 20219 severe reportsCalifornia0 of 9 listed. Day total. Reports are not individually verified here.
How We Count

This page uses published ground reports from 2016-01-01 through 2026-10-29. Coverage is partial. 473 source scopes are pending. Pending data is not a zero report count.

Hail counts at 1.00 in or larger. Wind counts at 58 mph or stronger. State days also include tornado reports.

Reports use the local civil date and clock. City pages use the city clock. State pages use each report location clock.

Exact repeated observations are counted once. Nearby reports with different times, coordinates or sizes remain separate observations.

NCEI rows are verified against NCEI Storm Events. SPC and NWS local reports are preliminary.

Radar signatures and warning polygons are not ground reports and are not in these counts.

A missing report does not show that no storm occurred. These pages show city or state exposure, not damage at an address.

Links

This free page covers the state. It does not check a street address.

Limits

This page is not a certified record.

This page shows weather exposure, not damage or cause.

This page is not an expert opinion and it is not a meteorologist review.

Verify these rows with official NOAA and NWS records.

VectorWX is not affiliated with or endorsed by NOAA or NWS.

Radar-estimated hail size comes from MRMS MESH or NCEI nx3hail. It is an estimate of hail aloft. It is not a measurement of hail on a roof.