Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 301, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 1, 2000, 12:45 PM CDT for Madison County, Arkansas. It was in force for 45 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
- Sep 1, 2000, 12:45 PM CDT (17:45 UTC)
- Expired
- Sep 1, 2000, 1:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Madison County, AR
The radar
The Western Arkansas radar (KSRX), 81 km from the middle of the area, began a volume at 17:44 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 |
|---|---|---|---|
| Sep 1, 12:48 PM CDT | Thunderstorm Wind | St Paul, AR | Thunderstorm winds 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
Lamont, OK (KLMN), launched 12:00Z, 5.8 hours before the alert went out and 344 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3494 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
402 WUUS54 KTSA 011745 SVRTUL ARC087-011830- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1245 PM CDT FRI SEP 1 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MADISON COUNTY IN NORTHWEST ARKANSAS * UNTIL 130 PM CDT * AT 1245 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER ST PAUL...MOVING SOUTHEAST AT 5 TO 10 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BOSTON... PETTIGREW...COMBS AND ST PAUL. DAMAGING WINDS TO 70 MPH MAY ACCOMPANY THIS STORM. LAT...LON 3592 9381 3576 9392 3575 9353 3580 9353
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 Sep 1, 11:50 AM CDT, 55 minutes earlier.
Area forecast discussion, Sep 1, 11:50 AM CDT, 55 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1150 AM CDT FRI SEP 1 2000 UPDATED ZONES TO ADD SOME ISOLATED POPS TO FYV AND FSM AREAS AND REMOVED MORNING WORDING. WEAK AREA OF SURFACE CONVERGENCE THAT WAS EAST OF THE AREA IN CENTRAL ARKANSAS APPEARS TO HAVE SHIFTED SLIGHTLY WEST AND EVEN THOUGH WE EXPECT SURFACE DEWPOINTS TO DROP WITH MIXING AND WINDS TO VEER TO THE SOUTHWEST THERE MAY BE ENOUGH MOISTURE TO GET A STORM OR TWO GOING...MOST LIKELY IN HIGHER TERRAIN IN NW ARKANSAS. STILL SOME CLOUD COVER TO GET RID OF TO REACH PEAK MAXES...BUT THINGS ARE HEATING UP QUICK WITH FYV ALREADY TO 95 EVEN WITH MID/HI CLOUDS...SO FCST OF 101 TO 109 ACROSS THE AREA LOOKS IN LINE. /13 .TUL... AR...NONE. OK...NONE.
In the hours before
Special weather statement, Sep 1, 12:10 PM CDT, 35 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-021100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1210 PM CDT FRI SEP 1 2000 ...ISOLATED THUNDERSTORMS POSSIBLE ACROSS NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA THIS AFTERNOON... .PRIMARY HAZARD... HIGH TEMPERATURES ONCE AGAIN TODAY WILL ALLOW THE ATMOSPHERE TO BECOME UNSTABLE THIS AFTERNOON ACROSS THE AREA. ISOLATED THUNDERSTORMS WILL BE POSSIBLE FROM NORTHWEST ARKANSAS INTO EXTREME EASTERN OKLAHOMA IF ENOUGH LIFT CAN BE PRODUCED BY THE HIGHER TERRAIN AND CONVERGENT SURFACE WINDS. .DISCUSSION... SURFACE WINDS WILL CONVERGE ACROSS NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA PROVIDING AN AREA OF LIFT THIS AFTERNOON INTO EARLY EVENING. IF THUNDERSTORMS DO DEVELOP...ONE OR TWO MAY BRIEFLY APPROACH SEVERE LIMITS CAPABLE OF PRODUCING STRONG GUSTY WINDS AND SMALL HAIL. .OTHER HAZARDS... A VERY HIGH FIRE DANGER WILL EXIST ACROSS THE AREA AGAIN TODAY. VERY DRY VEGETATION AND MODERATE SOUTHWEST WINDS WILL CONTRIBUTE TO THE FIRE DANGER. IF ISOLATED THUNDERSTORMS DEVELOP...THEY WILL BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNIHNG WHICH COULD IGNITE NEW FIRES. THE FIRE DANGER STATEMENT /OKCFWMTUL/ GIVES ADDITIONAL DETAILS ON TODAYS FIRE DANGER. .SPOTTER ACTIVATION... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 1:34 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 41 min |
| Sep 1, 3:37 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 38 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2000Every severe thunderstorm warning in 2000
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.