Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 76, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 2002, 10:32 AM CDT for Benton County, Arkansas. It was in force for 43 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 30, 2002, 10:32 AM CDT (15:32 UTC)
- Expired
- Apr 30, 2002, 11:15 AM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Benton County, AR
The radar
The Tulsa radar (KINX), 117 km from the middle of the area, began a volume at 15:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 10:52 AM CDT | Hail 0.88 | Bentonville, AR | |
| Apr 30, 11:00 AM CDT | Hail 0.75 | Rogers, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.5 hours before the alert went out and 72 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 40 J/kg
- Mixed-layer CIN
- -440 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
984 WUUS54 KTSA 301532 SVRTUL ARC007-301615- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1031 AM CDT TUE APR 30 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BENTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 1115 AM CDT * AT 1028 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF DECATUR...MOVING EAST AT 40 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BENTONVILLE... ROGERS...LOWELL...GRAVETTE...PEA RIDGE...GATEWAY...CAVE SPRINGS... WAR EAGLE...DECATUR...HIWASSE...BELLA VISTA AND GARFIELD. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3645 9456 3628 9456 3623 9387 3650 9386
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 1:57 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 48 min |
| Apr 30, 6:26 AM CDT | Severe Thunderstorm Warning | TSA | Madison | 49 min |
| Apr 30, 6:56 AM CDT | Severe Thunderstorm Warning | TSA | Carroll | 49 min |
| Apr 30, 11:20 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 40 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.