Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 274, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Aug 20, 2002, 4:22 PM CDT for Cleburne County, Arkansas. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 20, 2002, 4:22 PM CDT (21:22 UTC)
- Expired
- Aug 20, 2002, 4:50 PM CDT
- In force
- 28 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Cleburne County, AR
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 9.4 hours before the alert went out and 205 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
- 5075 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 20, 3:16 PM CDT, 1 hour 6 minutes earlier.
Area forecast discussion, Aug 20, 3:16 PM CDT, 1 hour 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 316 PM CDT TUE AUG 20 2002 PROBLEM OF THE DAY IS THE NEXT CHANCE OF RAIN...WHICH SHOULD BE LATE WEDNESDAY. A FEW SHOWERS HAVE DEVELOPED IN THE NORTHEAST PORTION OF OUR CWFA RECENTLY. CUMULUS IS WELL DEVELOPED ACROSS MUCH OF THE STATE WITH AN AREA OF HIGH CLOUDS STREAMING SOUTHWARD INTO NORTHWEST ARKANSAS. SHOULD JUST SEE A FEW SHOWERS AND THUNDERSTORMS DEVELOP THIS AFTERNOON...MAINLY IN THE NORTH...BUT DISSIPATE EARLY THIS EVENING. VISIBLE SATELLITE IMAGES SHOW AN AXIS OF INSTABILITY FROM NORTH ARKANSAS TO SOUTHWEST TENNESSEE. WITH THE UPPER RIDGE OVER ARKANSAS...WEDNESDAY WILL BE A DRY DAY...SIMILAR TO TODAY. THE HEAT WILL CONTINUE...HOWEVER. HEAT INDICES WILL AGAIN CLIMB TO AROUND 105 DEGREES. THIS RIDGE WILL CONTINUE THROUGH LATE IN THE WEEK. A LOW WILL DEVELOP IN THE GULF AND SLIDE WESTWARD INTO TEXAS LATE WEDNESDAY INTO THURSDAY. THIS WILL BRING A CHANCE OF RAIN TO MAINLY SOUTH PORTIONS OF THE CWFA BEGINNING THURSDAY MORNING. IN THE EXTENDED...A COLD FRONT IN THE NORTHERN PLAINS WILL DROP SOUTHWARD THROUGH THE STATE ON SUNDAY. THIS WILL BRING A BETTER CHANCE OF PRECIPITATION ACROSS THE AREA FOR THE LAST HALF OF THE WEEKEND. ONCE THE FRONT PASSES THROUGH COOLER AND DRIER AIR WILL FILTER IN FOR MONDAY AND TUESDAY. STAYED CLOSE TO THE MAV TEMPERATURES. COOL DOWN IS EXPECTED BEHIND THE FRONT LATE SUNDAY. PRIOR TO THAT...LOWS WILL BE IN THE 70S AND HIGHS WILL BE IN THE 90S.. .LZK...NONE. 51
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 4:07 PM CDT | Severe Thunderstorm Warning | LZK | Stone | 28 min |
| Aug 20, 4:27 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Sharp | 28 min |
| Aug 20, 5:17 PM CDT | Severe Thunderstorm Warning | LZK | Fulton | 28 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; the sounding from the Mesonet's radiosonde archive.