Alert archive / Arkansas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 48, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Feb 11, 2008, 8:52 PM CST for Yell County, Arkansas. It was in force for 38 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
- Feb 11, 2008, 8:52 PM CST (02:52 UTC)
- Expired
- Feb 11, 2008, 9:30 PM CST
- In force
- 38 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
County Yell County, AR
The radar
The Western Arkansas radar (KSRX), 92 km from the middle of the area, began a volume at 02:55 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.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.9 hours before the alert went out and 316 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
- 960 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 528 m²/s²
- 0-3 km storm-relative helicity
- 584 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 Feb 11, 5:17 PM CST, 3 hours 35 minutes earlier.
Area forecast discussion, Feb 11, 5:17 PM CST, 3 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 517 PM CST MON FEB 11 2008 .AVIATION... CEILINGS NEAR 1500 FEET CONTINUE TO SPREAD FROM OKLAHOMA AND MISSOURI INTO ARKANSAS. THESE WILL SPREAD TO THE REST OF ARKANSAS OVERNIGHT. LOWER CEILINGS WILL ALSO MOVE INTO ARKANSAS OVERNIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTHWESTERN QUARTER OF ARKANSAS TONIGHT.(38) && .PREV DISCUSSION... /ISSUED 243 PM CST MON FEB 11 2008/ SHORT TERM...TONIGHT THROUGH THURSDAY MAIN FORECAST ATTENTION WILL BE ON EVENTS THROUGH 18Z/12. LOCAL RADARS CONTINUE TO INDICATE SCATTERED...LIGHT RETURNS ACROSS NORTHWEST PORTIONS OF THE FORECAST AREA. EXPECT OVERALL COVERAGE AND INTENSITY OF PRECIPITATION TO SLOWLY INCREASE THROUGH LATE EVENING...AS ISENTROPIC LIFT INCREASES ACROSS THE REGION. FORECAST LAPSE RATES AND WIND PROFILES SUGGEST THUNDERSTORMS WILL POSSIBLE OVERNIGHT ACROSS CENTRAL AND SOUTHWEST PORTIONS OF THE FORECAST AREA. SOME OF THESE ELEVATED STORMS COULD PRODUCE LARGE HAIL...ESPECIALLY ACROSS SOUTHWEST SECTIONS. FORECAST SOUNDINGS ALSO SUPPORT A TRANISITION FROM LIQUID PRECIPITQATION FREEZING RAIN OR SLEET BEFORE ENDING LATE TONIGHT OR EARLY TUESDAY. OVERALL AMOUNTS SHOULD BE LIGHT...AS THE PRECIPITATION SHOULD END SHORTLY AFTER THIS TRANSISTION. LONG TERM...THURSDAY NIGHT THROUGH MONDAY EXTENDED MODELS ARE COMING INTO MORE OF AN AGREEMENT...BUT OF COURSE THE DETAILS ARE STILL IN QUESTION. FRONT WILL MOVE INTO THE AREA FRIDAY...BRINGING RAIN TO THE STATE. HOWEVER...FRONT LOOKS TO STALL OVER THE AREA WHILE UPPER LOW DEVELOPS IN THE DESERT SOUTHWEST. OVERRUNNING WILL BRING PLENTY OF MOISTURE/RAINFALL TO THE STATE. THE BIGGEST QUESTION WILL BE TEMPERATURES IN NORTH ARKANSAS...AND THE POTENTIAL FOR FREEZING RAIN. HAVE CONTINUED HIGH CHANCE POPS FOR FRIDAY AND SATURDAY...AND THESE WILL NEED TO BE TWEAKED AS MODELS COME INTO BETTER AGREEMENT. IF COLD AIR REMAINS IN NORTHERN ARKANSAS...POTENTIAL FOR FREEZING RAIN EXISTS. HAVE ADDED RAIN/FREEZING RAIN TO THE GRIDS FOR FRIDAY MORNING AND SATURDAY MORNING...BUT IF TEMPERATURES DO NOT RECOVER...THIS MAY NEED TO BE IN FOR A LONGER TIME FRAME. UPPER LOW FINALLY MOVES NORTHEAST ON SUNDAY...WITH PRECIP ENDING. SOME WRAP AROUND MOISTURE BEHIND THE UPPER LOW COULD BRING ANOTHER ROUND OF WINTER PRECIP TO NORTHERN ARKANSAS. DRY WEATHER WILL FOLLOW FOR MONDAY. && .PRELIMINARY POINT TEMPS/POPS... BATESVILLE AR 36 41 24 47 / 70 40 10 0 CAMDEN AR 51 51 30 53 / 90 90 10 0 HARRISON AR 32 37 20 48 / 70 20 10 0 HOT SPRINGS AR 44 48 27 52 / 70 60 10 0 LITTLE ROCK AR 42 47 28 50 / 70 70 10 0 MONTICELLO AR 52 51 31 51 / 90 90 10 0 MOUNT IDA AR 41 46 26 52 / 70 50 10 0 MOUNTAIN HOME AR 32 37 19 47 / 70 20 10 0 NEWPORT AR 38 43 26 46 / 70 60 10 0 PINE BLUFF AR 49 49 30 50 / 90 90 10 0 RUSSELLVILLE AR 37 44 26 50 / 70 30 10 0 SEARCY AR 40 45 27 48 / 70 60 10 0 STUTTGART AR 45 47 29 48 / 90 90 10 0 && .LZK WATCHES/WARNINGS/ADVISORIES...NONE. && AVIATION...38
Hazardous weather outlook, Feb 11, 6:50 PM CST, 2 hours 2 minutes before
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</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 6:45 PM CST | Winter Weather Advisory | LZK | Baxter, Fulton, Izard, Sharp | 2 hr |
| Feb 11, 8:30 PM CST | Severe Thunderstorm Warning | LZK | Logan, Pope, Yell | 30 min |
| Feb 11, 9:00 PM CST | Ice Storm Warning | LZK | Baxter, Fulton, Izard, Marion, Sharp | 9 hr |
| Feb 11, 9:00 PM CST | Winter Weather Advisory | LZK | Cleburne, Independence, Jackson, Stone | 9 hr |
| Feb 11, 9:11 PM CST | Severe Thunderstorm Warning | LZK | Polk | 49 min |
| Feb 11, 9:22 PM CST | Severe Thunderstorm Warning | LZK | Stone | 23 min |
| Feb 11, 9:28 PM CST | Severe Thunderstorm Warning | LZK | Yell | 47 min |
| Feb 11, 9:50 PM CST | Severe Thunderstorm Warning | LZK | Van Buren | 40 min |
| Feb 11, 9:58 PM CST | Severe Thunderstorm Warning | LZK | Garland, Saline | 47 min |
| Feb 11, 10:01 PM CST | Severe Thunderstorm Warning | LZK | Pope | 44 min |
| Feb 11, 10:11 PM CST | Severe Thunderstorm Warning | LZK | Cleburne, Stone | 49 min |
| Feb 11, 10:34 PM CST | Severe Thunderstorm Warning | LZK | Conway | 41 min |
| Feb 11, 10:49 PM CST | Severe Thunderstorm Warning | LZK | Izard | 41 min |
| Feb 11, 10:57 PM CST | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 48 min |
| Feb 11, 11:16 PM CST | Severe Thunderstorm Warning | LZK | Polk | 29 min |
| Feb 11, 11:34 PM CST | Severe Thunderstorm Warning | LZK | Conway, Pope | 26 min |
| Feb 11, 11:36 PM CST | Severe Thunderstorm Warning | LZK | Cleburne, Van Buren | 54 min |
| Feb 11, 11:53 PM CST | Severe Thunderstorm Warning | LZK | Montgomery, Polk | 52 min |
| Feb 12, 12:17 AM CST | Severe Thunderstorm Warning | LZK | Conway, Van Buren | 43 min |
| Feb 12, 12:19 AM CST | Severe Thunderstorm Warning | LZK | Cleburne | 41 min |
| Feb 12, 6:18 AM CST | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Cleveland, Drew, Lincoln | 23 min |
| Feb 12, 9:57 AM CST | River Flood Warning | LZK | Independence, Jackson, Lawrence | 36 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2008Every severe thunderstorm warning in 2008
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.