Alert archive / Oklahoma / Flash Flood Warnings in 1997
Flash Flood Warning 35, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 19, 1997, 7:02 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1997, 7:02 AM CDT (12:02 UTC)
- Expired
- Jul 19, 1997, 10:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Pawnee County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 0.0 hours before the alert went out and 159 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
- 2358 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- -13 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 191202 FFWTUL OKC113-117-191500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 702 AM CDT SAT JUL 19 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...WESTERN OSAGE COUNTY...WESTERN PAWNEE COUNTY AT 700 AM...RADAR ESTIMATED UP TO 2.5 INCHES OF RAIN HAD FALLEN ACROSS PARTS OF WESTERN OSAGE COUNTY TO THE WEST AND NORTHWEST OF BURBANK. THIS RAIN HAS FALLEN OVER AREAS WHICH RECEIVED COPIOUS AMOUNTS OF RAIN THURSDAY AND FRIDAY. ADDITIONAL THUNDERSTORMS WILL MOVE ACROSS WESTERN OSAGE AND WESTERN PAWNEE COUNTIES WITH ADDITIONAL RAINFALL ACCUMUALATIONS OF AN INCH OR TWO POSSIBLE. THIS RAINFALL WILL LIKELY RESULT IN FLASH FLOODING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS 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. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. IF YOUR VEHICLE GETS CAUGHT IN RISING WATER...ABANDONED IT QUICKLY. THEN MOVE TO HIGHER GROUND. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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 19, 3:35 AM CDT, 3 hours 27 minutes earlier.
Area forecast discussion, Jul 19, 3:35 AM CDT, 3 hours 27 minutes before
FPUS3 KTUL 190835 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 335 AM CDT SAT JUL 19 1997 NCEP COMPUTER PROBLEMS HAVE RESULTED IN LITTLE NEW NUMERICAL GUIDANCE...WITH ONLY 00Z NGM AND A BIT OF THE AVN AVAILABLE FOR THIS FCST. UPR CIRCULATION NOTED OVR FAR NCNTRL OK...WITH PCPN CONVENIENTLY REMAINING JUST W OF CWA. NGM TRACKS UPR LOW NWWD INTO WCNTRL KS TDA...WHICH IS PROBABLY TOO FAST...BUT HEAVY RAINFALL SHUD SHIFT FARTHER AWAY FM FA. MEANWHILE...UPR RDG BRIDGES ACRS FA BETWEEN UPR LOW AND HRCN DANNY...WITH SLIGHTLY DRIER LLVL AIR NOTED OVR NW AR. WL HV TO TAKE LAST SECOND LOOK AT 88D BEFORE DECIDING ON DEGREE OF POPS FOR FAR NWRN ZNS...OTHERWISE WL LV 20 POPS FOR ISOLD AFTN TSRA FOR ALL BUT FAR NW AR. UPR LOW SLOWLY ROTATES INTO NE SUN...BUT UPR FLOW BECOMING QUITE WK ACRS ERN OK/NW AR. LLVL MSTR FIELDS FCST TO BE ABT THE SAME AS TDA...WITH BEST MSTR REMAINING OVR ERN OK. WILL CONTINUE 20 POPS FOR ERN OK. FWC GUIDANCE LOOKS GD AND WAS GENERALLY ACCEPTED. PRELIM NUMBERS: TUL 091/073 093/073 2121 FSM 095/070 095/071 211- MLC 092/070 094/071 2121 BVO 091/070 094/071 2121 FYV 091/067 092/068 1-1- IDB 095/069 096/070 211- BYV 092/065 092/066 1-1- HODGES .TUL... OK...NONE. AR...NONE.
In the hours before
Special weather statement, Jul 19, 6:05 AM CDT, 57 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-201200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 605 AM CDT SAT JUL 19 1997 NO SEVERE THUNDERSTORMS ARE EXPECTED TODAY OR TONIGHT. A SLOW MOVING UPPER LEVEL SYSTEM WAS LOCATED IN NORTH CENTRAL OKLAHOMA EARLY THIS MORNING. THIS UPPER LEVEL SYSTEM IS FORECAST TO MOVE SLOWLY NORTHWEST AWAY FROM EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TODAY AND TONIGHT. BEFORE IT MOVES FURTHER WEST...HOWEVER ...IT MAY BRING A FEW SHOWERS AND THUNDERSTORMS TO PARTS OF NORTHEAST OKLAHOMA THIS MORNING. THE MOST LIKELY PLACE FOR SHOWERS AND THUNDERSTORMS WILL BE TO THE WEST OF A BARTLESVILLE TO TULSA TO HENRYETTA LINE. A FEW OF THE THUNDERSTORMS MAY PRODUCE SOME HEAVY RAINFALL...BUT THEY ARE NOT EXPECTED TO BECOME SEVERE. ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON ACROSS EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS DUE TO INCREASING INSTABILITY DUE TO DAYTIME HEATING. HOWEVER...WITH THE UPPER LEVEL SYSTEM SHIFTING FURTHER NORTHWEST OF THE AREA AND THE LACK OF A SURFACE BOUNDARY TO FOCUS THUNDERSTORMS....THE CHANCES OF SEVERE THUNDERSTORMS ARE VERY SMALL.
Special weather statement, Jul 19, 6:07 AM CDT, 55 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-201200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 605 AM CDT SAT JUL 19 1997 NO SEVERE THUNDERSTORMS ARE EXPECTED
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 10:17 AM CDT | Flash Flood Warning | TSA | Creek | 4 hr |
Nearby
Flash Flood Warnings in Oklahoma, 1997Every flash flood warning in 1997
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.