Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 43, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Mar 27, 2011, 9:29 PM CDT for 5 counties in Arkansas. It was in force for 46 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
- Mar 27, 2011, 9:29 PM CDT (02:29 UTC)
- Expired
- Mar 27, 2011, 10:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
Counties Arkansas County, AR, Cleveland County, AR, Jefferson County, AR, Lincoln County, AR, Monroe County, AR
The radar
The Little Rock radar (KLZK), 87 km from the middle of the area, began a volume at 02:28 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, 2.5 hours before the alert went out and 173 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
- 9 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 428 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 529 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
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 Mar 27, 9:23 PM CDT, 6 minutes earlier.
Area forecast discussion, Mar 27, 9:23 PM CDT, 6 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 315 PM CDT SUN MAR 27 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-281000- ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND- CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING- INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE- MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE- PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE- WOODRUFF-YELL- 315 PM CDT SUN MAR 27 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL BE NOTED ACROSS MUCH OF ARKANSAS THROUGH THE REMAINDER OF THE EVENING AS AN UPPER LEVEL SYSTEM MOVES EAST ACROSS NORTHERN ARKANSAS. THERE IS ONLY A SLIGHT RISK FOR AN ISOLATED STRONG TO SEVERE THUNDERSTORM ACROSS SOUTHERN PARTS OF THE STATES...WITH THE MAIN CONCERN BEING LARGE HAIL. ACROSS NORTH AND NORTHWESTERN PORTIONS OF THE STATE...WHERE TEMPERATURES WILL BE A LITTLE COOLER...THERE IS A SLIGHT CHANCE FOR SOME SLEET MIXING IN WITH THE RAIN SHOWERS. NO ACCUMULATION IS EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PARTS OF NORTHERN ARKANSAS WILL ONCE AGAIN SEE LOW TEMPERATURES APPROACH THE FREEZING MARK MONDAY MORNING...WHERE A FREEZE WARNING REMAINS IN EFFECT. PRECAUTIONS SHOULD BE TAKEN TO PROTECT TENDER VEGETATION. THE NEXT SIGNIFICANT STORM SYSTEM IS FORECAST TO AFFECT THE MID SOUTH STARTING MONDAY NIGHT AND TUESDAY...WITH A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS. AT THIS TIME IT APPEARS THE SYSTEM WILL TRACK SOUTH OF ARKANSAS...LIMITING THE POTENTIAL FOR WIDESPREAD SEVERE WEATHER. HOWEVER...SOME OF THE STRONGER STORMS COULD PRODUCE HAIL UP TO ONE INCH IN DIAMETER. YET ANOTHER LOW PRESSURE WILL BRING SHOWER AND THUNDERSTORMS CHANCES BACK TO THE NATURAL STATE WEDNESDAY NIGHT AND THURSDAY. ONCE AGAIN...INDICATIONS ARE THAT THE LOW WILL PASS SOUTH OF ARKANSAS AND KEEP THE AREA IN A SOMEWHAT COOL AIRMASS. THIS WOULD LIMIT THE POSSIBILITY OF SEVERE WEATHER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 224
In the hours before
Local storm report, Mar 27, 8:23 PM CDT, 1 hour 6 minutes before
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</html>Local storm report, Mar 27, 9:03 PM CDT, 26 minutes before
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</html>Local storm report, Mar 27, 9:14 PM CDT, 15 minutes before
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</html>Local storm report, Mar 27, 9:29 PM CDT, 0 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 |
|---|---|---|---|---|
| Mar 27, 7:12 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring, Montgomery, Saline | 33 min |
| Mar 27, 7:41 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Pulaski, Saline | 49 min |
| Mar 27, 7:47 PM CDT | Special Weather Statement | LZK | Saline | 28 min |
| Mar 27, 8:18 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas | 27 min |
| Mar 27, 8:28 PM CDT | Special Weather Statement | LZK | Prairie | 32 min |
| Mar 27, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lonoke, Prairie, Pulaski | 30 min |
| Mar 27, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Dallas, Jefferson, Lincoln | 45 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2011Every severe thunderstorm warning in 2011
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.