Alert archive / Oklahoma / Flash Flood Warnings in 1994
Flash Flood Warning 16, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 12, 1994, 7:15 PM CDT for Pawnee County, Oklahoma. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1994, 7:15 PM CDT (00:15 UTC)
- Expired
- Jul 12, 1994, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pawnee County, OK
The radar
The Tulsa radar (KINX), 103 km from the middle of the area, began a volume at 00:16 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
Norman, OK (KOUN), launched 00:00Z, 0.3 hours before the alert went out and 137 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
- 3155 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 130015 COR FFWTUL OKC117-130315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTED FOR DATE NATIONAL WEATHER SERVICE TULSA OK 715 PM CDT TUE JUL 12 1994 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...EASTERN PAWNEE COUNTY A SLOW MOVING BAND OF THUNDERSTORMS HAS DUMPED VERY HEAVY RAINS OVER EASTERN PAWNEE COUNTY EARLY THIS EVENING. RADAR ESTIMATES OF AROUND 3 INCHES OF RAIN HAVE BEEN INDICATED ACROSS EASTERN PAWNEE COUNTY. THE BAND OF THUNDERSTORMS CONTINUE OVER THE AREA AND MORE HEAVY RAINS ARE POSSIBLE THIS EVENING. A FLASH FLOOD WARNING MEANS THAT FLOODING jIS LIKELY OR HAS BEEN REPORTED. STAY ALERT AND WATCH FOR RAPIDLY RISING WATER. REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO THE NEAREST STREAM...CREEK OR RIVER WHICH CAN BECOME A KILLER DURING PERIODS OF HEAVY RAIN.
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 12, 3:29 PM CDT, 3 hours 46 minutes earlier.
Area forecast discussion, Jul 12, 3:29 PM CDT, 3 hours 46 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA NATIONAL WEATHER SERVICE TULSA OK 328 PM CDT TUE JUL 12 1994 TYPICAL MID-SUMMER WX WILL PREVAIL THE NEXT 2 DAYS WITH ZONAL FLOW OVER ERN OK. A SERIES OF WK VORTS WILL ROTATE EWD...MAINLY ALG THE NRN FRINGE OF THE STATE...BUT MDLS ARE HAVING A DIFFICULT TIME RESOLVING THE TIMING AND TRACK OF THESE WK SHRTWVS. ALTHOUGH NGM AND ETA DID A GOOD JOB INITIALIZING THE MCV OVR NW OK THIS MORNING (AVN MISSED THIS FEATURE)...THE NGM IS DOING THE BEST JOB OF TRACKING THIS SYSTEM E ACCORDING TO LATEST PROFILER DATA AND SATL IMAGERY. AS A RESULT...FCST WILL LEAN TOWARD NGM SOLN. AFOREMENTIONED MCV LOOKS TO HAVE A SLIGHTLY N OF E MOVMEMENT...SUGGESTING THAT 12 HR NGM MAY BY A BIT TOO FAR S WITH VORT MAX. HOWEVER...VORT "TAIL" ASSOCD WITH MCV CIRCULATION IS ALREADY KICKING OFF A FEW SHOWERS W OF PNC...SO WILL UP 1ST PD POPS A NOTCH OVR EXTREME NRN ZNS. FARTHER S...CURRENT SFC ANALYSIS SHOWS DIFFUSE WARM FNT DRAPED OVR SE OK. THIS BNDRY IS BECOMING INCREASINGLY DIFFICULT TO LOCATE...BUT WK CONVERGENCE AND SFC DWPTS NEAR 80 SUPPORT SLIGHTLY HIGHER POPS OVERNIGHT FOR ZN 77. BASICALLY BROADBRUSHED POPS FOR WED AND THU AS WK SHRTWVS WILL BE DIFFICULT TO TIME AND COLD FNT STAYS N OF OK. FOR THE TEMPS...LEANED TOWARD SLIGHTLY WARMER FPC NUMBERS DUE TO PERSISTENCE. IN THE LONGER RNG...MED RNG MDLS AND LATEST HAND-DRAWN GUIDANCE FM NMC SUGGESTS THAT FNT CURRENTLY OVR CNTRL PLAINS MAY STALL ALG OK/KS AND EVENTUALLY LIFT N. AS A RESULT...EXTENDED WILL BE WORDED TO REFLECT BEST CHANCES OF PCPN FOR NRN ZNS. PRELIM NUMBERS: TUL 70/90 72/93 332 MLC 70/91 72/93 432 BVO 68/91 70/93 432 IDB 71/90 72/92 432 ...18... .TUL...NONE.
In the hours before
Local storm report, Jul 12, 2:29 PM CDT, 4 hours 46 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE TULSA OK 230 PM CDT TUE JUL 12 1994 THE FOLLOWING IS SENT TO CLARIFY EVENTS IN PAWNEE COUNTY OK ON THE EVENING OF MAY 6TH 1994... TIME(CDT) COUNTY/STATE EVENT 840 PM PAWNEE/OK TORNADO... A STRONG REAR FLANK DOWNDRAFT ASSOCIATED WITH A HEAVY PRECIPITATION SUPERCELL THUNDERSTORM PRODUCED A SWATH OF WIND DAMAGE 2 TO 4 MILES WIDE FROM NEAR THE ARKANSAS RIVER 5 MILES WEST OF RALSTON TO NEAR THE CITY OF PAWNEE. NUMEROUS TREES WERE DOWNED OR DAMAGED...A BARN WAS HEAVILY DAMAGED AND THE ROOF TO A HOME WAS DAMAGED 7 MILES SOUTHWEST OF RALSTON. POWER POLES JUST WEST OF THE INTERESECTION OF HIGHWAYS 15 AND 18 WERE DOWNED. THE MAJORITY OF THE TREE DAMAGE INDICATED NORTH TO NORTHWEST SURFACE WINDS IN THE REAR FLANK DOWNDRAFT...HOWEVER SEVERAL TREES 7 MILES SOUTHWEST OF RALSTON INDICATED SOUTH TO NORTH FLOW AND SOUTHWEST TO NORTHEAST FLOW... SUGGESTING THE PRESENCE OF A WEAK> TORNADO EMBEDDED IN THE DOWNBURST. THE TORNADO WAS RATED F0...WITH A PATH LENGTH OF .75 MILES AND A WIDTH OF 50 YARDS AND OCCURRED 7 MILES SOUTHWEST OF RALSTON.
Local storm report, Jul 12, 2:30 PM CDT, 4 hours 45 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE TULSA OK 230 PM CDT TUE JUL 12 1994 THE FOLLOWING IS SENT TO CLARIFY EVENTS IN PAWNEE COUNTY OK ON THE EVENING OF MAY 6TH 1994... TIME(CDT) COUNTY/STATE EVENT 840 PM PAWNEE/OK TORNADO... A STRONG REAR FLANK DOWNDRAFT ASSOCIATED WITH A HEAVY PRECIPITATION SUPERCELL THUNDERSTORM PRODUCED A SWATH OF WIND DAMAGE 2 TO 4 MILES WIDE FROM NEAR THE ARKANSAS RIVER 5 MILES WEST OF RALSTON TO NEAR THE CITY OF PAWNEE. NUMEROUS TREES WERE DOWNED OR DAMAGED...A BARN WAS HEAVILY DAMAGED AND THE ROOF TO A HOME WAS DAMAGED 7 MILES SOUTHWEST OF RALSTON. POWER POLES JUST WEST OF THE INTERESECTION OF HIGHWAYS 15 AND 18 WERE DOWNED. THE MAJORITY OF THE TREE DAMAGE INDICATED NORTH TO NORTHWEST SURFACE WINDS IN THE REAR FLANK DOWNDRAFT...HOWEVER SEVERAL TREES 7 MILES SOUTHWEST OF RALSTON INDICATED SOUTH TO NORTH FLOW AND SOUTHWEST TO NORTHEAST FLOW... SUGGESTING THE PRESENCE OF A WEAK TORNADO EMBEDDED IN THE DOWNBURST. THE TORNADO WAS RATED F0...WITH A PATH LENGTH OF .75 MILES AND A WIDTH OF 50 YARDS AND OCCURRED 7 MILES SOUTHWEST OF RALSTON.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 48 min |
Nearby
Flash Flood Warnings in Oklahoma, 1994Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.