Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 43, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 25, 2002, 10:11 AM CST for Franklin County, Arkansas. It was in force for 19 min. 3 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
- Mar 25, 2002, 10:11 AM CST (16:11 UTC)
- Expired
- Mar 25, 2002, 10:30 AM CST
- In force
- 19 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Franklin County, AR
The radar
The Western Arkansas radar (KSRX), 63 km from the middle of the area, began a volume at 16:14 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 |
|---|---|---|---|
| Mar 25, 10:14 AM CST | Hail 0.88 | Alix, AR | |
| Mar 25, 10:25 AM CST | Hail 1.25 | Clarksville, AR | Hail up to the size of half dollars damaged several cars and stripped the leaves from many trees just south of Clarksville. |
| Mar 25, 10:32 AM CST | Hail 0.88 | Coal Hill, AR | Nickel size hail covered the ground at Coal Hill. |
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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.2 hours before the alert went out and 164 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 448 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 251611 SVRTUL ARC047-251630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1011 AM CST MON MAR 25 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEAST FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS * UNTIL 1030 AM CST * AT 1011 AM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF DENNING...MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...DENNING... ALTUS AND WIEDERKEHR VILLAGE. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH WILL BE POSSIBLE IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3538 9393 3523 9380 3550 9332 3567 9347
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 7:18 AM CST, 2 hours 53 minutes earlier.
Area forecast discussion, Mar 25, 7:18 AM CST, 2 hours 53 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 718 AM CST MON MAR 25 2002 UPDATED ZONES SENT TO INCLUDE MENTION OF THUNDER MOST LOCATIONS. ONGOING ACTIVITY INDICATING PRESENCE OF ENOUGH ELEVATED INSTABILITY TO SUPPORT THUNDERSTORMS AND THIS SHOULD PERSIST THROUGH THE DAY AS LARGE SCALE ASCENT OVERSPREADS THE AREA. FCSTID = 07 .TSA... AR...NONE. OK...NONE.
In the hours before
Special weather statement, Mar 25, 6:00 AM CST, 4 hours 11 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CST MON MAR 25 2002 ...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS... EARLY THIS MORNING...A COLD FRONT STRETCHED FROM NORTHWEST ARKANSAS INTO SOUTHEAST OKLAHOMA. THIS BOUNDARY SHOULD REMAIN NEARLY STATIONARY FOR MUCH OF THE DAY AS A STRONG UPPER LEVEL DISTURBANCE APPROACHES FROM THE WEST. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND BEHIND THE FRONT THIS MORNING AND INTO THE EARLY AFTERNOON. GIVEN THE VERY COLD TEMPERATURES ALOFT...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING...WITH LARGE HAIL BEING THE PRIMARY SEVERE WEATHER THREAT. .SPOTTER ACTIVATION... SPOTTER ACTIVATION MAY BE NEEDED ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS AFTER 2 PM. .DISCUSSION... INCREASING UPWARD VERTICAL VELOCITIES ASSOCIATED WITH A STRONG UPPER LEVEL DISTURBANCE WILL SPREAD INTO SOUTHEAST OKLAHOMA THIS MORNING. AN AREA OF ELEVATED SHOWERS AND THUNDERSTORMS WILL INCREASE IN AREAL COVERAGE AND SPREAD EAST ACROSS SOUTHEAST OKLAHOMA BY MID TO LATE MORNING AND MOVE INTO NORTHWEST ARKANSAS BY THE EARLY AFTERNOON. THE COMBINATION OF COLD TEMPERATURES ALOFT...STEEPENING LAPSE RATES AND STRONG WINDS ALOFT MAY RESULT IN ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THE THREAT FOR SEVERE THUNDERSTORMS WILL END BY LATE EVENING AS THE COLD FRONT PUSHES EAST OF THE AREA. THREAT TABLE VALID THROUGH 1200 UTC TUESDAY THREAT AREA 1...GENERALLY EAST OF A HUNTSVILLE TO SALLISAW TO WILBURTON TO HUGO LINE THUNDERSTORM PROBABILITY...50 SEVERE PROBABILITY IF STORMS OCCUR...25 SIGNIFICANT SEVERE WEATHER PROBABILITY IF STORMS OCCUR...20 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE WEATHER IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLFBALL SIZE HAIL OR LARGER. .OTHER HAZARDS... AS THE UPPER LEVEL DISTURBANCE MOVES THROUGH NORTHEAST OKLAHOMA THIS EVENING...TEMPERATURES MAY COOL ENOUGH TO SUPPORT A MIX OF RAIN AND SLEET IN AREAS TO THE NORTHWEST OF TULSA. HOWEVER...SIGNIFICANT WINTRY PRECIPITATION IS NOT EXPECTED. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT WWW.SRH.NOAA.GOV/TULSA. AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AROUND 1 PM TODAY.
Special weather statement, Mar 25, 7:45 AM CST, 2 hours 26 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 745 AM CST MON MAR 25 2002 ...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE TODAY ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS... EARLY THIS MORNING...A COLD FRONT STRETCHED FROM NORTHWEST ARKANSAS INTO SOUTHEAST OKLAHOMA. THIS BOUNDARY SHOULD REMAIN NEARLY STATIONARY FOR MUCH OF THE DAY AS A STRONG UPPER LEVEL DISTURBANCE APPROACHES FROM THE WEST. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO EXPAND IN COVERAGE ACROSS SOUTHEAST OKLAHOMA THIS MORNING AND SPREAD INTO NORTHWEST ARKANSAS BY ARE EXPECTED TO DEVELOP ALONG AND BEHIND THE FRONT THIS MORNING AND INTO THE EARLY AFTERNOON. GIVEN THE VERY COLD TEMPERATURES ALOFT...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS MORNING AND AFTERNOON. MARGINALLY HAIL WILL BE THE MAIN THREAT. .SPOTTER ACTIVATION... SPOTTER ACTIVATION IS NOT ANTICIPATED THIS MORNING...BUT MAY BE NEEDED ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS BY THIS AFTERNOON. .DISCUSSION... INCREASING UPWARD VERTICAL VELOCITIES ASSOCIATED WITH A STRONG UPPER LEVEL DISTURBANCE WILL SPREAD INTO SOUTHEAST OKLAHOMA THIS MORNING. AN AREA OF ELEVATED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO INCREASE IN AREAL COVERAGE AND SPREAD EAST ACROSS SOUTHEAST OKLAHOMA THIS MORNING AND MOVE INTO NORTHWEST ARKANSAS BY THIS AFTERNOON. THE COMBINATION OF COLD TEMPERATURES ALOFT...STEEPENING LAPSE RATES AND STRONG WINDS ALOFT MAY RESULT IN ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THE THREAT FOR SEVERE THUNDERSTORMS WILL END BY LATE EVENING AS THE COLD FRONT PUSHES EAST OF THE AREA. THREAT TABLE VALID THROUGH 1200 UTC TUESDAY THREAT AREA 1...GENERALLY EAST OF A OKEMAH TO FAYTEVILLE LINE THUNDERSTORM PROBABILITY...50 SEVERE PROBABILITY IF STORMS OCCUR...25 SIGNIFICANT SEVERE WEATHER PROBABILITY IF STORMS OCCUR...20 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE WEATHER IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLFBALL SIZE HAIL OR LARGER. .OTHER HAZARDS... AS THE UPPER LEVEL DISTURBANCE MOVES THROUGH NORTHEAST OKLAHOMA THIS EVENING...TEMPERATURES MAY COOL ENOUGH TO SUPPORT A MIX OF RAIN AND SLEET IN AREAS TO THE NORTHWEST OF TULSA. HOWEVER...SIGNIFICANT WINTRY PRECIPITATION IS NOT EXPECTED. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT WWW.SRH.NOAA.GOV/TULSA. AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AROUND 1 PM TODAY.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 11:11 PM CST | Severe Thunderstorm Warning | TSA | Crawford | 49 min |
| Mar 25, 1:16 AM CST | Severe Thunderstorm Warning | TSA | Madison, Washington | 59 min |
| Mar 25, 7:41 AM CST | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 34 min |
| Mar 25, 1:17 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 43 min |
| Mar 25, 1:30 PM CST | Severe Thunderstorm Warning | TSA | Franklin | 45 min |
| Mar 25, 4:00 PM CST | Severe Thunderstorm Warning | TSA | Sebastian | 30 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.