Hail and Damaging Wind in Oklahoma, August 12, 2002

Name: Hail and Damaging Wind in Oklahoma, August 12, 2002
Start: 2002-08-12T20:39
End: 2002-08-12T21:03
Location: Oklahoma

August 12, 2002 · NWS AMA · 3 events in 1 county or zone

Severe thunderstorms produced high winds and large hail as they raked across the eastern Oklahoma panhandle.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS AMA wrote it up.

Severe thunderstorms produced high winds and large hail as they raked across the eastern Oklahoma panhandle.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before the first event at Aug 12, 2:15 PM CST, 6 hours 24 minutes earlier.

Area forecast discussion, Aug 12, 2:15 PM CST, 6 hours 24 minutes before

TEXAS/OKLAHOMA PANHANDLES AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT MON AUG 12 2002

STG DEEP CNVGNC NOTED OVR NERN ZNS ATTM AHD OF CDFNT.  SFC BASED
CAPES AOA 3000 J/KG OVR SAME AREA.  WL CALL FOR AREAL QUALIFIERS
1ST PD ALL SXNS...NMRS TSTMS NERN ZNS...SCT TSTMS ELSEWHERE.  WITH
STG CNVGNC AND DVLPG DIFFLUENT H5 NWLY FLOW...WL CALL FOR PSBL SVR
ALL ZNS.

SFC CDFNT EXPCD TO MAKE ITS MOV AFDK WHEN H5 VOT MAX MOVS
INTO NWRN ZNS.  CDNFT EXPCD TO CLEAR ALL BUT SERN TX PNHDL BY 12Z
TUE.  MUCH COOLER CONDS EXPCD ON TUE DUE TO STG LOW-LVL CAA...CLDS
OVR NRN ZNS...AND SLGT UPSLP COMPONENT.  WL KEEP CHC POPS GOING FOR
TUE AS MORE DYNAMICS DROP SEWD INTO AREA.

TEMPS WM TO MID 80S ON WED AS AMS BGNS TO MODIFY...THEN BACK TO THE
90S THU THRU MON AS ZONAL FLOW RESUMES.

FCSTID = 3

AMARILLO    62 73 54 85 /  50 50 20 20
BEAVER      60 71 52 87 /  60 50 20 20
BOISE CITY  56 69 50 85 /  50 50 20 20
BORGER      62 71 53 86 /  50 50 20 20
BOYS RANCH  60 71 53 85 /  50 50 20 20
CANYON      63 74 55 85 /  50 50 20 20
CLARENDON   67 75 59 86 /  50 50 20 20
DALHART     58 69 51 85 /  50 50 20 20
GUYMON      57 70 51 87 /  60 50 20 20
HEREFORD    63 74 56 85 /  50 50 20 20
LIPSCOMB    63 71 52 87 /  60 50 20 20
PAMPA       63 73 55 86 /  50 50 20 20
SHAMROCK    66 75 60 88 /  50 50 20 20
WELLINGTON  68 77 61 88 /  50 50 20 20

.AMA...
TX...NONE.
OK...NONE.

COCKRELL

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Beaver

When: August 12, 8:39 PM CST
Where: Beaver County, Floris
Measured: 1 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 36.867, -100.700

Thunderstorm Wind, Beaver

When: August 12, 8:40 PM CST
Where: Beaver County, Forgan
Measured: 61 kt (70 mph)
Reported by: TRAINED SPOTTER
Coordinates: 36.900, -100.533

Five to six inch diameter tree limbs were reported down by the high winds.

Hail, Beaver

When: August 12, 9:03 PM CST
Where: Beaver County, Balko
Measured: 1 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 36.633, -100.683

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Oklahoma in 2002 Every state in 2002 This day in weather history Warnings in Oklahoma, August 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5312777, 5312778, 5312779.