Alert archive / Oklahoma / Tornado Warnings in 1994
Tornado Warning 24, NWS Norman, OK
NWS Norman, OK issued this tornado warning at May 6, 1994, 9:31 PM CDT for Payne County, Oklahoma. It was in force for 29 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
- May 6, 1994, 9:31 PM CDT (02:31 UTC)
- Expired
- May 6, 1994, 10:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Payne County, OK
The radar
The Norman radar (KTLX), 87 km from the middle of the area, began a volume at 02:32 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 |
|---|---|---|---|
| May 6, 9:50 PM CDT | Tornado F0 | Yale, OK |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.5 hours before the alert went out and 103 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
- 1390 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Norman, OK wrote its last area forecast discussion before this tornado warning went out at May 6, 3:42 PM CDT, 5 hours 49 minutes earlier.
Area forecast discussion, May 6, 3:42 PM CDT, 5 hours 49 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 340 PM CDT FRI MAY 6 1994 MESONET DATA INDCTS CDFNT HAS MOVD INTO FAR NWRN ZNS OF FA LATE THIS AFTN. FNT WL CONT TO MOV SLOLY SEWD THIS EVE...AND THEN PICK UP A LTL SPEED AS LOW AND MID LVL COOLING MOVS THRU THE CNTRL PLNS. ANY CNCTN ALNG FNT CUD ALSO SPEED UP SWD MVMNT OF WND SHFT LINE. STRG CAP OVR AREA HAS SUPPRESSED CNVCTN ALG THE FNT THUS FAR. MWHL.. QUITE A BIT OF HI CLDS OVR CNTRL AND NRN OK HAS HELD TEMPS BLO VALUES NEEDED TO BRK THE CAP DURG THE AFTN. HWVR... XPCT CNVCTN TO FINALLY BRK OUT LATE AFTN OR EVE IN VCNTY OF FNT AND MOV INTO NRN OK. NWRN ZNS LOOK LESS FVRBL FOR TSTMS DUE TO FNT MOVG THRU AREA... AND SHALLOWER LOW LVL MSTR FIELD. A FEW SVR TSTMS WL BE PSBL DUE TO FVRBL LOW LVL SHR AND GUD INSTABILITIES... ALTHO WIND SPDS ARE NOT ESP STRG. MODELS SUGGEST MID LVL COOLING MOVG INTO AREA LTR TNGT...WITH ETA MOST PRONOUNCED... WL ERODE THE CAP. THE EROSION...COMBINED WITH CNVRGNC ALNG THE FNT... SHUD AID TSTM DVLPMNT SWD ACRS AREA OVRNGT. BEST CHCS WL BE IN ERN HLF OF AREA WHERE MSTR WL BE BEST AND CAP WEAKEST. FNT XPCTD TO BE IN SCNTRL OR SERN OK BY MRNG...WITH CLDS BEGINNING TO DCRS FM THE NW DURG THE DAY. BLV LFM/NGM MOS ARE TOO WRM/COLD FOR SAT... AND WL GENLY GO SOMEWHERE IN BETWEEN. BIG QUESTION RMNS ON TIMING OF ERN PAC LOW OFF CA CST DURG EXTENDED PD. MRF SEEMS TO BE TOO QUICK TO MOV CUT-OFF LOW EWD THRU FCST PD. WL BACK OFF ON SPEED OF SYS AND LINGER CHC OF RAIN INTO WEDS. FCSTID=32 HBR 58 75 50 77 / 30 20 0 10 OKC 61 72 51 75 / 50 30 0 0 SPS 62 77 53 78 / 20 20 0 10 GAG 54 70 47 74 / 30 10 0 10 PNC 58 70 49 73 / 60 10 . 0 0 DUA 64 74 55 77 / 30 60 10 0 .OKC...NONE. .TX...NONE.
In the hours before
Local storm report, May 6, 4:40 PM CDT, 4 hours 51 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 440 PM CDT FRI MAY 6 1994 TIME COUNTY LOCATION/EVENT 430 PM KAY DIME SIZE HAIL AT PECKHAM 435 PM KAY DIME SIZE HAIL 4W OF NEWKIRK MT
Local storm report, May 6, 4:44 PM CDT, 4 hours 47 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 440 PM CDT FRI MAY 6 1994 TIME COUNTY LOCATION/EVENT 430 PM KAY DIME SIZE HAIL AT PECKHAM 435 PM KAY DIME SIZE HAIL 4W OF NEWKIRK MT
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:27 PM CDT | Tornado Warning | OUN | Kay | 18 min |
| May 6, 8:09 PM CDT | Severe Thunderstorm Warning | OUN | Kay | 36 min |
| May 6, 9:09 PM CDT | Severe Thunderstorm Warning | OUN | Noble, Payne | 51 min |
| May 6, 9:57 PM CDT | Tornado Warning | OUN | Payne | 33 min |
| May 6, 10:28 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 47 min |
| May 6, 10:45 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 45 min |
| May 6, 11:20 PM CDT | Tornado Warning | OUN | Lincoln | 40 min |
| May 7, 12:22 AM CDT | Tornado Warning | OUN | Seminole | 38 min |
| May 7, 12:31 AM CDT | Tornado Warning | OUN | Hughes | 29 min |
| May 7, 12:50 AM CDT | Severe Thunderstorm Warning | OUN | Hughes | 40 min |
| May 7, 1:33 AM CDT | Severe Thunderstorm Warning | OUN | Hughes | 27 min |
Nearby
Tornado Warnings in Oklahoma, 1994Every tornado warning in 1994Tornadoes in 1994
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.