Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 204, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 28, 2002, 6:18 PM CDT for Madison County, Arkansas. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2002, 6:18 PM CDT (23:18 UTC)
- Expired
- Jun 28, 2002, 7:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Madison County, AR
The radar
The Western Arkansas radar (KSRX), 113 km from the middle of the area, began a volume at 23:21 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.
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, 11.3 hours before the alert went out and 78 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
- 2274 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- -21 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 282318 SVRTUL ARC087-290000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 617 PM CDT FRI JUN 28 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN MADISON COUNTY IN NORTHWEST ARKANSAS * UNTIL 700 PM CDT * AT 617 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTH OF CLIFTY...DRIFTING NORTH AT 10 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...HINDSVILLE... FORUM AND CLIFTY. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3620 9394 3608 9378 3624 9360 3629 9383
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 Jun 28, 3:00 PM CDT, 3 hours 18 minutes earlier.
Area forecast discussion, Jun 28, 3:00 PM CDT, 3 hours 18 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 300 PM CDT FRI JUN 28 2002 SCATTERED SHOWERS/TSTMS DEVELOPING ALONG SFC BOUNDARY ACROSS SOUTHERN MISSOURI...DRIFTING SOUTHWEST INTO NORTHWEST ARKANSAS. IN ADDITION A FEW TERRAIN ENHANCED SHOWERS/TSTMS ALSO STARTING TO DEVELOP. AS WITH THE LAST FEW DAYS...THUNDERSTORM ACTIVITY WILL CONTINUE THROUGH EARLY EVENING...DISSIPATING AROUND SUNSET WITH THE LOSS OF HEATING. MODELS IN FAIRLY GOOD AGREEMENT WITH DEVELOPING A WEAK UPPER LOW OVER OKLAHOMA SATURDAY INTO SUNDAY. AS LOW LEVEL FLOW BECOMES MORE SOUTHERLY...WILL LIKELY SEE AN INCREASE IN CLOUD COVER...WITH AFTERNOON TEMPS A FEW DEGREES COOLER ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. RAIN CHANCES WILL ALSO BEGIN TO INCREASE THROUGH THIS TIME FRAME. WILL AGAIN SEE ISOLATED CONVECTION SATURDAY AFTERNOON/EARLY EVENING. AS 30 KT LOW LEVEL JET DEVELOPS SUNDAY NIGHT ACROSS SE OK/NW ARK...COULD SEE A FEW SHOWERS DEVELOP LATE IN WEAK/MODERATE WAA REGIME. BKN LOW CLOUD DECK EXPECTED THROUGH THE MORNING HOURS ...KEEPING HIGH TEMPS A FEW DEGREES COOLER COMPARED TO SATURDAYS READINGS. UPPER LOW BECOMES MORE ORGANIZED DURING THE DAY SUNDAY ACROSS CENTRAL OK. BUMPED POPS TO 40% FSM/MLC SOUTH WITH THE EXPECTED INCREASE IN COVERAGE. UPPER LOW WILL REMAIN OVER THE AREA INTO MONDAY WITH CHANCE POPS ENTIRE FA...WITH BEST COVERAGE AGAIN SOUTH. TUL 72 91 73 91 / 10 10 10 20 FSM 70 88 71 87 / 10 20 20 40 MLC 69 87 71 85 / 10 20 20 30 BVO 70 93 70 91 / 10 10 10 20 FYV 66 86 67 84 / 10 20 20 30 BYV 66 86 67 84 / 10 20 20 30 MIO 69 90 70 88 / 10 10 10 20 MKO 69 90 71 88 / 10 10 10 30 F10 69 89 71 88 / 10 10 10 20 HHW 69 87 71 85 / 10 20 20 40 FORECAST ID= 12 .TSA... AR...NONE. OK...NONE.
In the hours before
Special weather statement, Jun 28, 1:00 PM CDT, 5 hours 18 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-291200- EASTERN OKLAHOMA / NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT FRI JUN 28 2002 ...WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING... AFTERNOON TEMPERATURES WILL CLIMB INTO THE LOWER 90S ONCE AGAIN THIS AFTERNOON ACROSS MUCH OF THE SOUTHERN PLAINS. THIS WILL CAUSE THE ATMOSPHERE TO BECOME MODERATELY UNSTABLE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS ALLOWING WIDELY SCATTERED THUNDERSTORMS TO DEVELOP. ALTHOUGH ENOUGH INSTABILITY WILL EXIST FOR ONE OR TWO STORMS TO APPROACH SEVERE LIMITS...ORGANIZED SEVERE WEATHER IS NOT ANTICIPATED. ANY STORMS THAT DO FORM SHOULD DISSIPATE BY SUNSET.
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.