Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 314, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 9, 2001, 6:28 PM CDT for Carroll County, Arkansas. It was in force for 32 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
- Aug 9, 2001, 6:28 PM CDT (23:28 UTC)
- Expired
- Aug 9, 2001, 7:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Carroll County, AR
The radar
The Springfield radar (KSGF), 83 km from the middle of the area, began a volume at 23:27 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 12:00Z, 11.5 hours before the alert went out and 58 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
- 1056 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1504 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
013 WUUS54 KTSA 092329 SVRTUL ARC015-100000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 628 PM CDT THU AUG 9 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN CARROLL COUNTY IN NORTHWEST ARKANSAS * UNTIL 700 PM CDT * AT 628 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHEAST OF OAK GROVE OR NEAR BLUE EYE ON THE MISSOURI BORDER...MOVING VERY LITTLE. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OAK GROVE AND BLUE EYE. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3658 9338 3643 9350 3638 9330 3652 9330
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 9, 3:20 PM CDT, 3 hours 8 minutes earlier.
Area forecast discussion, Aug 9, 3:20 PM CDT, 3 hours 8 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 320 PM CDT THU AUG 9 2001 AREA 88D RADARS SHOWING ISOLATED CONVECTION AGAIN TODAY. WILL NEED TO CONTINUE THIS INTO THE EVENING IN SOME AREAS. TEMPERATURES HAVE WARMED NICELY AGAIN TODAY AS CU FIELD HAS REMAINED SMALLER THAN YESTERDAY. OVERNIGHT LOWS TONIGHT WILL BE SOMEWHAT OF A CHALLENGE GIVEN POSITION OF FRONT TO OUR NORTH. IF IT MAKES IT DOWN HERE LATE TONIGHT...WE COULD SEE A LATE RALLY ON TEMPS DROPPING OFF ACROSS THE NORTH. IF THE FRONT HANGS UP NORTH A LITTLE LONGER...LOWS COULD BE FAIRLY WARM AGAIN TONIGHT. LOW CLOUDS SHOULD ACCOMPANY THE FRONT WHEN IT MAKES ITS APPEARANCE IN OKLAHOMA ON FRIDAY. AREAL EXTENT OF PRECIPITATION STILL REMAINS IN QUESTION AS SURFACE FRONT MOVES INTO RIDGE. WILL CONTINUE WITH AT LEAST CURRENT POP FORECAST ACROSS THE AREA BUT MAY ADJUST WITHIN THE CHANCE CATEGORY SOME. EXTENDED STILL ON TRACK WITH PRECIP CHANCES INTO SUNDAY AS HIGH BUILDS BACK OVER THE AREA. MRF SHOWING RIDGE SHIFTING BACK TO THE WEST DURING THE WEEK WHICH MAY EVENTUALLY PUT THE CWA IN NORTHWEST FLOW. WILL NEED TO MONITOR THIS PATTERN FOR POSSIBLE INCLUSION OF PRECIPITATION ON THURSDAY. OTHERWISE...NO BIG CHANGES PLANNED FOR EXTENDED AT THIS TIME. HOWIESON FCSTID = 44 ...PRELIMINARY NUMBERS... TUL 77 92 68 90 / 20 30 30 20 FSM 77 93 68 91 / 20 30 30 20 MLC 78 96 70 92 / 20 30 30 30 BVO 74 88 66 89 / 30 30 30 20 FYV 73 88 66 87 / 20 40 30 20 BYV 73 88 66 87 / 20 40 30 20 MIO 74 87 66 88 / 30 40 30 20 MKO 77 92 68 90 / 20 30 30 20 F10 77 92 68 90 / 20 30 30 20 HHW 77 97 71 93 / 10 20 30 30 .TSA... AR...NONE. OK...NONE.
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.