Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 145, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 9, 2002, 12:17 AM CDT for Boone County, Marion County, Newton County, Arkansas. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 9, 2002, 12:17 AM CDT (05:17 UTC)
- Expired
- May 9, 2002, 1:10 AM CDT
- In force
- 53 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Boone County, AR, Marion County, AR, Newton County, AR
The radar
The Springfield radar (KSGF), 124 km from the middle of the area, began a volume at 05:18 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 12:50 AM CDT | Thunderstorm Wind 50 E | Bull Shoals, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.3 hours before the alert went out and 109 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
- 1675 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 13.6
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 8, 9:00 PM CDT, 3 hours 17 minutes earlier.
Area forecast discussion, May 8, 9:00 PM CDT, 3 hours 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 900 PM CDT WED MAY 8 2002 PREVIOUS FORECAST LOOKS PRETTY GOOD. INCREASED WIND SPEEDS A LITTLE IN MANY AREAS AFTER REVIEW OF 9 PM CONDITIONS. PUT THE MENTION OF SEVERE IN OVERNIGHT OVER NORTHERN AND WESTERN ZONES PER SPC OUTLOOK. IF SEVERE OCCURS IN THOSE AREAS...SHOULD BE LATE TONIGHT. (22) .LZK...NONE.
In the hours before
Special weather statement, May 8, 7:40 PM CDT, 4 hours 37 minutes before
ARZ003>007-012>016-021>025-030>034-037>047-052>057-062-091200- SEVERE WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 740 PM CDT WED MAY 8 2002 ...SLIGHT RISK OF SEVERE WEATHER ACROSS MUCH OF NORTHERN INTO CENTRAL ARKANSAS LATE TONIGHT... THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE TONIGHT IN AREAS MAINLY NORTH AND WEST OF LITTLE ROCK. AS OF 7 PM WEDNESDAY EVENING...A FEW SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN NORTHERN AND WESTERN ARKANSAS. MEANWHILE...STRONG TO SEVERE THUNDERSTORMS WERE NOTED ACROSS NORTHERN MISSOURI AND EASTERN KANSAS. THE SEVERE STORMS WERE ALONG AND AHEAD OF A COLD FRONT WHICH WILL MOVE INTO ARKANSAS AFTER MIDNIGHT. AS THE FRONT PUSHES INTO THE STATE...THE PRIMARY SEVERE WEATHER THREATS WILL BE LARGE HAIL AND DAMAGING WINDS. STORM SPOTTERS...EMERGENCY MANAGERS...AND HAM RADIO OPERATORS MAY NEED TO BE ACTIVATED ACROSS ARKANSAS AFTER MIDNIGHT. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR THE LATEST WEATHER INFORMATION FROM YOUR NATIONAL WEATHER SERVICE. 46
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 4:05 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 55 min |
| May 9, 4:48 AM CDT | Severe Thunderstorm Warning | LZK | Yell | 47 min |
| May 9, 5:00 AM CDT | Tornado Warning | LZK | Yell | 35 min |
| May 9, 5:37 AM CDT | Severe Thunderstorm Warning | LZK | Perry | 43 min |
| May 9, 6:20 AM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 40 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.