Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 308, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 28, 2001, 5:42 PM CDT for Carroll County, Arkansas. It was in force for 48 min. 2 reports 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
- Jul 28, 2001, 5:42 PM CDT (22:42 UTC)
- Expired
- Jul 28, 2001, 6:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Carroll County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 28, 5:45 PM CDT | Thunderstorm Wind 61 E | Berryville, AR | Thunderstorm winds estimated at 70 miles an hour blew several trees down. |
| Jul 28, 5:50 PM CDT | Thunderstorm Wind 61 E | Green Forest, AR | Thunderstorm winds estimated at 70 miles an hour blew down numerous trees and power lines. A few of the trees landed on roofs of houses. |
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 12:00Z, 10.7 hours before the alert went out and 68 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
- 263 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 282243 SVRTUL ARC015-282330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 542 PM CDT SAT JUL 28 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CARROLL COUNTY IN NORTHWEST ARKANSAS * UNTIL 630 PM CDT * AT 542 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES EAST OF GREEN FOREST...MOVING NORTHEAST AT 10 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...URBANETTE... RULE...CARROLLTON...RUDD...OAK GROVE...GREEN FOREST...OSAGE AND BERRYVILLE. WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. A SECOND RAPIDLY DEVELOPING THUNDERSTORM WAS NEAR METALTON IN CARROLL COUNTY...ALSO MOVING TO THE NORTHEAST AT 10 MPH. THIS STORM COULD STRENGTHEN AND ALSO PRODUCE DAMAGING WINDS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. LAT...LON 3647 9357 3615 9358 3614 9328 3653 9331
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 Jul 28, 2:06 PM CDT, 3 hours 36 minutes earlier.
Area forecast discussion, Jul 28, 2:06 PM CDT, 3 hours 36 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 206 PM CDT SAT JUL 28 2001 MAIN CHALLENGE THIS FORECAST WILL BE FIRST PERIOD POPS AS CONVECTIVE COMPLEX DEVELOPS AND MOVES ACROSS PARTS OF AREA. 12Z AVN MODEL MAY HAVE BEST DEPICTION OF QPF FOR TONIGHT AND EARLY SUNDAY. APPEARS THAT BEST CHANCE OF WIDESPREAD RAINS TONIGHT WILL BE ACROSS NORTHEAST OKLAHOMA AND EXTREME NORTHWEST ARKANSAS. CLUSTERS OF STORMS WERE DEVELOPING ALONG AND NORTH OF AN OUTFLOW BOUNDARY ACROSS EXTREME NORTHERN OKLAHOMA AT THIS TIME...AND THIS ACTIVITY MAY ORGANIZE THIS EVENING AND MOVE EAST SOUTHEAST. WILL GO WITH HIGHEST POPS IN THOSE ZONES NORTH AND EAST OF TULSA...WITH POPS TAPERING OFF TO 20 IN FAR SOUTHEAST OKLAHOMA. MAY RAISE TONIGHTS POPS INTO LIKELY CATEGORY IN SOME ZONES BASED ON RADAR TRENDS AT 4 PM ISSUANCE TIME. AFTER COMPLEX OF STORMS DISSIPATES OR MOVES SOUTHEAST OF THE AREA BY EARLY SUNDAY AFTERNOON...THE PATTERN SHOULD RETURN TO HOT AND DRY FOR MOST OF THE UPCOMING WEEK. UPPER RIDGING REDEVELOPS ACROSS OKLAHOMA BEHIND TONIGHTS SHORTWAVE...AND TEMPERATURES SHOULD AGAIN RISE TO NEAR THE CENTURY MARK IN WESTERN ZONES BEGINNING MONDAY. WILL KEEP EXTENDED DRY WITH HOT AFTERNOONS. COULD BE SOME ISOLATED THUNDERSTORMS IN THE USUAL TERRAIN-FAVORED AREAS OF NORTHWEST ARKANSAS...BUT OTHERWISE EXPECT HOT/HUMID AFTERNOONS WITH LITTLE DAY TO DAY TEMPERATURE CHANGE. FCSTID = 9 FIRST PERIOD POPS SUBJECT TO CHANGE... TUL 75 97 78 99 / 40 10 10 10 FSM 75 98 76 99 / 40 30 10 10 MLC 75 98 76 99 / 30 20 10 10 BVO 73 97 74 99 / 50 10 10 10 FYV 70 92 71 93 / 50 20 10 10 BYV 70 92 70 93 / 50 20 10 10 MIO 71 94 72 95 / 50 20 10 10 MKO 75 97 77 99 / 40 10 10 10 F10 75 97 77 99 / 40 10 10 10 HHW 75 96 76 98 / 20 30 10 10 .TSA... AR...NONE. OK...NONE.
In the hours before
Local storm report, Jul 28, 5:32 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
532 PM CDT SAT JUL 28 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0325 PM NOWATA OK 70 MPH TSTM GUST
07/28/01 NOWATA POWER LINES DOWNED.
AMATEUR RADIO ANTENNA
BLOWN DOWN. SEVERAL
TREES DOWNED.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.