Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 126, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 2001, 8:54 PM CDT for Carroll County, Madison County, Arkansas. It was in force for 51 min. No storm report in the archive falls 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.
The facts
- Issued
- May 17, 2001, 8:54 PM CDT (01:54 UTC)
- Expired
- May 17, 2001, 9:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Carroll County, AR, Madison County, AR
The radar
The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 01:56 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.9 hours before the alert went out and 70 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
- 3291 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 180154 SVRTUL ARC015-087-180245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 854 PM CDT THU MAY 17 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CARROLL COUNTY IN NORTHWEST ARKANSAS NORTHERN MADISON COUNTY IN NORTHWEST ARKANSAS * UNTIL 945 PM CDT * AT 854 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES NORTH OF GRANDVIEW TO 3 MILES SOUTH OF WESLEY...MOVING SOUTHEAST AT 20 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...CLIFTY... MARBLE...FORUM...HINDSVILLE...KINGSTON...WESLEY...AURORA... HUNTSVILLE...GRANDVIEW...URBANETTE...RULE...RUDD...OAK GROVE... GREEN FOREST...EUREKA SPRINGS AND BERRYVILLE. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3649 9369 3603 9397 3597 9351 3646 9332
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 May 17, 3:20 PM CDT, 5 hours 34 minutes earlier.
Area forecast discussion, May 17, 3:20 PM CDT, 5 hours 34 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 320 PM CDT THU MAY 17 2001 ADDITIONAL STORMS NOW STARTING BE COME MORE LINEAR ALONG SFC BOUNDARY THAT EXTENDS ROUGHLY FROM NE KS TO WC OK. RELATIVELY WEAK FLOW WILL KEEP STORM MOVEMENT ON THE SLOWER SIDE...SO CURRENT ACTIVITY ACROSS KS SHOULD ENTER THE NW CORNER OF CWA AROUND BY 21Z. STORMS WILL CONTINUE TO SLOWLY PROPAGATE E-SE UNLESS NEW CONVECTION FORMS ON OUTFLOW BOUNDARIES. WITH AFOREMENTIONED WEAK MID/UPPER FLOW FLOW...SEVERE THREAT MAY DIMINISH SOMEWHAT WITH LOSS OF AFTERNOON HEATING. HIGH PWS...DEVELOPING LOW LEVEL JET AND SLOW MOVEMENT OF STORMS WILL PROMOTE A HEAVY RAIN THREAT FOR OVERNIGHT. WILL KEEP MENTION OF HEAVY RAIN AT TIMES IN ZONES. EVENING SHIFT WILL WANT TO MONITOR FLOOD POTENTIAL ESP. ACROSS NRN ZONES WHERE HIGHEST POPS WILL BE TONIGHT. WILL FLIP-FLOP TOMORROW AND PUT HIGHEST POPS IN SOUTH AND REDUCE TO HIGH CHANCE ACROSS THE NORTH. FRONT AND UPPER DISTURBANCE TO MOVE AWAY FROM AREA BY LATE TOMORROW DAY...SO DONT THINK RAIN WILL BE IN PICTURE(AT LEAST IN NE OK)ALL DAY. DRY CONDITIONS EXPECTED AREAWIDE FRIDAY NIGHT INTO MOST OF SATURDAY...BEFORE ANOTHER S/W APPROACHES LATE AFTERNOON SATURDAY FROM THE WEST. SEVERAL WAVES LOOK TO AFFECT THE AREA THROUGH MONDAY BEFORE UPPER TROUGH AXIS MOVES EAST...SO WILL KEEP RAIN CHANCES IN TIL THEN. 00Z MRF AND TO A LESSER EXTENT 12Z AVN CLOSES OFF UPPER LOW AS IT DROPS SE IN TO THE LOWER GREAT LAKES REGION. UPPER LOW MOVES VERY SLOWLY EAST IN THE MID TO LATE NEXT WEEK TIME FRAME. LOOKS LIKE BELOW NORMAL TEMPS IF THIS SCENARIO VERIFIES. WILL LEAVE EXTENDED PARTLY CLOUDY AND DRY FOR NOW...BUT WILL LOWER TEMPS TUES-THURS. FCSTID = 23 TUL 65 75 58 81 / 70 50 10 20 FSM 66 79 61 83 / 50 70 20 10 MLC 67 79 60 80 / 50 70 20 10 BVO 63 74 56 80 / 80 50 10 20 FYV 63 74 55 78 / 60 50 20 10 BYV 63 74 55 78 / 60 50 20 10 MIO 63 73 55 78 / 70 50 40 10 MKO 65 74 57 79 / 70 50 10 20 F10 65 75 58 81 / 70 50 10 20 HHW 69 80 59 81 / 50 70 20 20 .TSA... AR...NONE. OK...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:03 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 57 min |
| May 17, 11:55 PM CDT | Flash Flood Warning | TSA | Washington | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.