Alert archive / Arkansas / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 111, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 22, 2005, 2:41 PM CDT for Johnson County, Arkansas. It was in force for 49 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
- May 22, 2005, 2:41 PM CDT (19:41 UTC)
- Expired
- May 22, 2005, 3:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Johnson County, AR
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 7.7 hours before the alert went out and 151 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
- 131 J/kg
- Mixed-layer CIN
- -492 J/kg
- Mixed-layer LCL
- 1498 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 404 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 May 22, 2:30 PM CDT, 11 minutes earlier.
Area forecast discussion, May 22, 2:30 PM CDT, 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 230 PM CDT SUN MAY 22 2005 .DISCUSSION... UPPER PATTERN WILL NOT CHANGE SIGNIFICANTLY DURING THE FORECAST. RIDGE WILL LINGER OVER THE SOUTHWEST PART OF THE COUNTRY WITH DEEP LOW OVER THE NORTHEAST. THIS LEAVES ARKANSAS IN NORTHWEST FLOW ALOFT WITH OCCASIONAL SHORT WAVES ROTATING IN THE FLOW. EACH SHOT OF ENERGY WILL TRIGGER CONVECTION EITHER ALONG A WEAK SURFACE FRONT OR AN MCS. THE SURFACE WILL BE MARKED BY SPANS OF COOL AND DRY AIR REPLACE BY MOIST AND UNSTABLE AIR...EITHER WAY TEMPERATURES WILL HAVE BE KNOCKED CLOSER TO NORMALS. POPS WILL BE TRICKY WITH THIS PATTERN IN LIGHT OF THE PUSH AND SHOVE TAKING PLACE BETWEEN THE RIDGE AND LARGE CYCLONE...SO TENDED TO GO LOWER THAN MOS NUMBERS. && .PRELIMINARY POINT TEMPS/POPS... LITTLE ROCK AR 90 68 85 63 / 20 30 30 30 HARRISON AR 85 63 82 56 / 40 40 40 10 HOT SPRINGS AR 90 68 86 63 / 20 20 30 30 PINE BLUFF AR 90 69 86 64 / 20 20 30 30 MOUNTAIN HOME AR 85 63 81 55 / 40 40 40 10 MONTICELLO AR 91 70 88 65 / 10 20 30 30 SEARCY AR 89 66 84 61 / 30 40 40 30 MOUNT IDA AR 90 68 86 63 / 20 20 30 30 RUSSELLVILLE AR 89 66 84 61 / 30 40 30 30 && .LZK WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT AND LONG TERM...32
Hazardous weather outlook, May 22, 12:53 PM CDT, 1 hour 48 minutes before
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Severe Thunderstorm Warnings in Arkansas, 2005Every severe thunderstorm warning in 2005
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.