Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 331, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Aug 20, 1997, 4:45 PM CDT for Jefferson County, Lincoln County, Arkansas. It was in force for 50 min. 2 reports 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
- Aug 20, 1997, 4:45 PM CDT (21:45 UTC)
- Expired
- Aug 20, 1997, 5:35 PM CDT
- In force
- 50 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Jefferson County, AR, Lincoln County, AR
The radar
The Little Rock radar (KLZK), 90 km from the middle of the area, began a volume at 21:47 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 |
|---|---|---|---|
| Aug 20, 5:00 PM CDT | Thunderstorm Wind 50 | Star City, AR | Thunderstorm winds downed some large trees. |
| Aug 20, 5:20 PM CDT | Thunderstorm Wind 50 | Pine Bluff, AR | Thunderstorm winds knocked down some large tree limbs and power lines. |
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
Little Rock, AR (KLZK), launched 12:00Z, 9.8 hours before the alert went out and 190 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
- 1547 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLIT 202145 RRA SVRLIT ARC069-079-202235- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 445 PM CDT WED AUG 20 1997 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK AR HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 535 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEASTERN ARKANSAS ...JEFFERSON COUNTY ...LINCOLN COUNTY AT 443 PM CDT...A LINT OF SEVERE THUNDERSTORMS WAS DETECTED BY DOPPLER RADAR FROM PINE BLUFF TO NEAR STAR CITY MOVING SOUTHEAST AT 15 MPH. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... LADD AROUND 443 PM CDT ... PINEBERGEN AROUND 443 PM CDT ... GRIFFITH SPRING AROUND 500 PM CDT ... TARRY AROUND 505 PM CDT ... STAR CITY AROUND 525 PM CDT ... THE MAIN THREAT WITH THIS STORM IS DIME SIZE HAIL OR LARGER. THE HAIL MAY CAUSE SOME VEHICLE...CROP OR ROOF DAMAGE. STRONG AND GUSTY WINDS CAN ALSO BE EXPECTED WITH THE STORM. FOR YOUR PROTECTION...GO INDOORS UNTIL THE STORM PASSES. 48/206
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.
In the hours before
Local storm report, Aug 20, 4:30 PM CDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
430 PM CDT WED AUG 20 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 PM 7 N FORDYCE AR .88 INCH HAIL
08/20/97 DALLAS
0336 PM 10 SW SHERIDAN AR 1.75 INCH HAIL
08/20/97 GRANT
0405 PM WARREN AR .88 INCH HAIL
08/20/97 BRADLEY
45Local storm report, Aug 20, 4:34 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
430 PM CDT WED AUG 20 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 PM 7 N FORDYCE AR .88 INCH HAIL
08/20/97 DALLAS
0336 PM 10 SW SHERIDAN AR 1.75 INCH HAIL
08/20/97 GRANT
0405 PM WARREN AR .88 INCH HAIL
08/20/97 BRADLEY
45The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:24 PM CDT | Severe Thunderstorm Warning | LZK | Bradley | 51 min |
| Aug 20, 2:36 PM CDT | Severe Thunderstorm Warning | LZK | Drew | 49 min |
| Aug 20, 2:39 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 51 min |
| Aug 20, 3:29 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Dallas | 46 min |
| Aug 20, 3:32 PM CDT | Severe Thunderstorm Warning | LZK | Grant | 48 min |
| Aug 20, 3:49 PM CDT | Severe Thunderstorm Warning | LZK | Bradley | 46 min |
| Aug 20, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Pulaski | 46 min |
| Aug 20, 4:05 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 45 min |
| Aug 20, 4:23 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland | 47 min |
| Aug 20, 4:52 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 48 min |
| Aug 20, 5:43 PM CDT | Severe Thunderstorm Warning | LZK | Bradley | 47 min |
| Aug 20, 5:54 PM CDT | Severe Thunderstorm Warning | LZK | Franklin | 46 min |
| Aug 20, 6:10 PM CDT | Severe Thunderstorm Warning | LZK | Drew | 35 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1997Every severe thunderstorm warning in 1997
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.