Alert archive / Oklahoma / Tornado Warnings in 1999
Tornado Warning 94, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Oct 31, 1999, 4:55 PM CST for Creek County, Oklahoma. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 31, 1999, 4:55 PM CST (22:55 UTC)
- Expired
- Oct 31, 1999, 5:30 PM CST
- In force
- 35 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Creek County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 31, 5:00 PM CST | Tornado F0 | Mannford, OK | There was a brief tornado touchdown near OK Hwy 48 south of Mannford, causing some tree damage. |
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
Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 120 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
- 560 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 312259 RRA TORTUL OKC037-312330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 455 PM CST SUN OCT 31 1999 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * TORNADO WARNING FOR NORTHWESTERN CREEK COUNTY IN NORTHEAST OKLAHOMA * UNTIL 530 PM CST * AT 455 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 4 MILES SOUTH OF MANNFORD. MOVING WEST AT 25 MPH...THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... MANNFORD... OILTON AND DRUMRIGHT THE PUBLIC HAS REPORTED TWO BRIEF TORNADO TOUCHDOWNS WITH THIS STORM. PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE COVER NOW! LAT...LON 3600 9630 3612 9630 3617 9689 3596 9693
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Oct 31, 3:55 PM CST, 1 hour earlier.
Area forecast discussion, Oct 31, 3:55 PM CST, 1 hour before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 355 PM CST SUN OCT 31 1999 PROBLEM OF THE DAY: POPS TEMPERATURES HAS BEEN A DREARY DAY FOR THE MOST PART...PERFECT WEATHER FOR THE GHOSTS AND GOBLINS WE ARE LIKELY TO SEE DURING THE NEXT FEW HOURS. THERE HAVE BEEN SOME BREAKS IN THE CLOUDS FROM TIME TO TIME THOUGH WHICH HAS ALLOWED TEMPERATURES TO CLIMB INTO THE 65 TO 70 DEGREE RANGE. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO ROTATE TO THE WEST AND NORTHWEST AROUND THE UPPER LOW OVER NORTHERN TEXAS WITH SOUTH TULSA GETTING A GOOD SOAKING AT THIS TIME. EXPECT SCATTERED SHOWERS AND THUNDERSTORMS TO CONTINUE IN THE DEFORMATION ZONE NORTH OF THE UPPER LOW FOR ABOUT ANOTHER 24-30 HOURS. FAR SOUTHEAST OKLAHOMA HAS BEEN DRY SLOTTED FOR THE TIME BEING BUT WRAPAROUND MOISTURE LIKELY TO SPREAD BACK INTO THAT AREA AS THE UPPER LOW CONTINUES ITS EASTWARD TREK. STILL THINK THAT GUIDANCE POPS OVERALL ARE A BIT HIGH AS NOT EVERYONE WILL SEE RAIN BUT HARD TO PINPOINT WHAT PART OF THE AREA IS MOST LIKELY TO RAIN. STRONG PACIFIC COLD FRONT WILL RACE ACROSS THE AREA MONDAY AFTERNOON AND EVENING. THIS MAY ALSO BRIEFLY ENHANCE ANY SHOWER AND THUNDERSTORM ACTIVITY MONDAY AFTERNOON. SHOULD SEE SOME BREAKS IN THE CLOUDS AGAIN MONDAY MUCH LIKE TODAY SO TEMPERATURES WILL BE MILD. GUSTY NORTH WINDS WILL MAKE IT FEEL NIPPY MONDAY NIGHT AND WILL KEEP A CHILL IN THE AIR TUESDAY. SKIES SHOULD RAPIDLY CLEAR LATER MONDAY NIGHT AND THEN FAIR WEATHER SHOULD DOMINATE INTO LATE WEEK. AFTER A FROSTY MORNING WEDNESDAY...A WARMING TREND WILL COMMENCE INTO FRIDAY. A WEAK FRONT MAY ENTER THE AREA LATE FRIDAY BUT THE MODELS DIFFER ON THIS AND MOISTURE RETURN LOOKS IFFY ANYWAY SO WILL KEEP IT DRY FOR NOW. GUIDANCE TEMPERATURES TOO COOL TONIGHT AND MONDAY BUT MORE REASONABLE MONDAY NIGHT AND TUESDAY...AVN TOO COLD TUESDAY THOUGH WITH SURFACE HIGH DROPPING SOUTH TO OUR WEST INDICATING GOOD DOWNSLOPE AND ADIABATIC WARMING. STILL WENT A BIT BELOW THE NGM MOS THOUGH GIVEN THE CHILLY 850 MILLIBAR TEMPERATURES PROGGED BY ALL MODELS. GHOSTLY LOOKING WCM JUST WALKED INTO THE OFFICE TRICK OR TREATING SO TIME TO GO...BE NICE TO THE GHOULS THIS EVENING FCSTID = 5 TUL 59 69 38 58 / 50 50 30 0 FSM 59 69 43 62 / 60 50 40 0 MLC 58 68 40 60 / 60 50 40 0 BVO 57 68 35 57 / 40 40 20 0 FYV 59 68 37 55 / 50 50 40 0 BYV 59 68 37 55 / 50 50 40 0 MIO 58 68 36 55 / 40 40 30 0 MKO 59 69 38 58 / 50 50 30 0 F10 59 69 38 58 / 50 50 30 0 HHW 57 69 44 64 / 50 50 40 5 .TUL... AR...NONE. OK...NONE. PLATE -------------------- EXPERIMENTAL OUTPUT: HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: NONE NGM CONFIDENCE: 7 ON A SCALE OF 0 TO 10 ETA CONFIDENCE: 8 ON A SCALE OF 0 TO 10 AVN CONFIDENCE: 8 ON A SCALE OF 0 TO 10 FCST CONFIDENCE: 8 ON A SCALE OF 0 TO 10
Nearby
Tornado Warnings in Oklahoma, 1999Every tornado warning in 1999Tornadoes in 1999
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.