Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 334, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Aug 20, 1997, 5:43 PM CDT for Bradley County, Arkansas. It was in force for 47 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
- Aug 20, 1997, 5:43 PM CDT (22:43 UTC)
- Expired
- Aug 20, 1997, 6:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Bradley County, AR
The radar
The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 22:42 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, 6:00 PM CDT | Thunderstorm Wind 50 | Hermitage, AR | Thunderstorm winds blew down several trees. |
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
Shreveport, LA (KSHV), launched 12:00Z, 10.7 hours before the alert went out and 184 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
- 2093 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 1 hour 13 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, 1 hour 9 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, 4:45 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lincoln | 50 min |
| Aug 20, 4:52 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 48 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.