Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 357, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 25, 2001, 11:42 PM CDT for Crawford County, Washington County, Arkansas. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Aug 25, 2001, 11:42 PM CDT (04:42 UTC)
- Expired
- Aug 26, 2001, 12:45 AM CDT
- In force
- 63 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Crawford County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 52 km from the middle of the area, began a volume at 04:41 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 25, 11:51 PM CDT | Thunderstorm Wind 52 E | Natural Dam, AR | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
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, 4.7 hours before the alert went out and 136 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
- 2085 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1505 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
377 WUUS54 KTSA 260442 SVRTUL ARC033-143-260545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1142 PM CDT SAT AUG 25 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CRAWFORD COUNTY IN NORTHWEST ARKANSAS SOUTHERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 1245 AM CDT * AT 1142 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF LINCOLN TO 15 MILES WEST OF NATURAL DAM...MOVING SOUTHEAST AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...LEE CREEK... RUDY...FIGURE FIVE...CHESTER...NATURAL DAM...CEDARVILLE...ALMA... VAN BUREN...MOUNTAINBURG...BRENTWOOD...STRICKLER...BLACKBURN... LINCOLN AND WINSLOW. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3603 9452 3543 9444 3543 9425 3586 9397
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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 11:15 PM CDT, 27 minutes earlier.
Area forecast discussion, Aug 25, 11:15 PM CDT, 27 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1115 PM CDT SAT AUG 25 2001 UPDATED ZONES TO DROP THE MENTION OF THE EXPIRED SEVERE THUNDERSTORM WATCH. ALSO TWEAKED THE POPS AND ADDED OR SUBTRACTED AREAL COVERAGE WORDING BASED ON RADAR TRENDS. .TSA... AR...NONE. OK...NONE. ABBAS
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 9:58 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 62 min |
| Aug 25, 9:58 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 62 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2001Every severe thunderstorm warning in 2001
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.