Alert archive / Oklahoma / Flash Flood Warnings in 1993
Flash Flood Warning 59, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Sep 19, 1993, 8:54 PM CDT for Comanche County, Oklahoma. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 19, 1993, 8:54 PM CDT (01:54 UTC)
- Expired
- Sep 20, 1993, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Comanche County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 1.9 hours before the alert went out and 116 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
- 2581 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 9.3
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 flash flood 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 flash flood warning went out at Sep 19, 4:02 PM CDT, 4 hours 52 minutes earlier.
Area forecast discussion, Sep 19, 4:02 PM CDT, 4 hours 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 330 PM CDT SUN SEP 19 1993 H/5 S/W MOVG TWD OK WITH IMPRESSIVE VORT MAX ON ALL MDLS...BUT SOME DIFFERENCES WITH SECONDARY DVLPG BHND FIRST MAX ON RGL...WITH AVN MAINTAINING SGNFCT DYNAMICS TO NORTH OF FCST AREA. AFTN PROFILERS INDCT LOWR LVLS BCMG MORE SWLY TO WLY WITH WV IMAGERY INDCTG SOME DRYING ACRS AREA AS IMPULSE MOVES BY. WL RMV MENTION OF PCPN FOR WRN ZONES...KEEPING LOW POPS FOR CENTRAL...WITH CHANCE CAT FOR SRN PTNS. GRAD SHD BE RELAXING AND WNDSPDS SHD DMNSH TNGT WITH SHIFT TO NORTH AS SFC LO MOVES EWD AND NWD. WITH STG TROF MOVG BY...PCPN SHD BE ENDD BY MON WITH TEMPS RMNG WRM WITH LTL CAA INDCTD ON CURRENT OBS. SOME MINOR ADJSTMNT MADE TO MOS TEMPS. OKC 61/85/66/87 2001 GAG 54/86/58/90 0001 HBR 62/86/66/88 0001 PNC 59/85/64/86 1101 SPS 64/90/67/92 0001 10 .OK...NONE. .TX...NONE.
In the hours before
Local storm report, Sep 19, 6:52 PM CDT, 2 hours 2 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
650 PM CDT SUN SEP 19 1993
TIME COUNTY EVENT
450 PM LINCOLN GOLFBALL SIZED HAIL 6 MILES SOUTH OF
CUSHING
504 PM LINCOLN POSSIBLE TORNADO 2 MILES SOUTH OF
DAVENPORT. NO DAMAGE.
505 PM LINCOLN 60 MPH WINDS 2 MILES EAST AND 1 MILE
SOUTH OF CHANDLER
504Special weather statement, Sep 19, 8:00 PM CDT, 54 minutes before
OKZ004>021-TXZ076-TXZ077-200200- SPECIAL WEATHER STATEMENT...CORRECTION FOR TITLE NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 800 PM CDT SUN SEP 19 1993 ...STRONG THUNDERSTORMS WILL MOVE INTO OKLAHOMA CITY BY 815 PM... THUNDERSTORMS WITH FREQUENT LIGHTNING WILL MOVE INTO WESTERN OKLAHOMA CITY...INCLUDING THE OKLAHOMA STATE FAIRGROUNDS...BETWEEN 800 PM AND 815 PM. THE STORMS WILL CONTAIN FREQUENT LIGHTNING AND OCCASIONAL HEAVY RAIN. IF LIGHTNING IS NEARBY...SEEK SHELTER INDOORS AND AWAY FROM WINDOWS. THE THUNDERSTORMS SHOULD DIMINISH BY 1000 PM IN THE OKLAHOMA CITY AREA.
Special weather statement, Sep 19, 8:02 PM CDT, 52 minutes before
OKZ004>021-TXZ076-TXZ077-200200- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 800 PM CDT SUN SEP 19 1993 ...STRONG THUNDERSTORMS WILL MOVE INTO OKLAHOMA CITY BY 815 PM... THUNDERSTORMS WITH FREQUENT LIGHTNING WILL MOVE INTO WESTERN OKLAHOMA CITY...INCLUDING THE OKLAHOMA STATE FAIRGROUNDS...BETWEEN 800 PM AND 815 PM. THE STORMS WILL CONTAIN FREQUENT LIGHTNING AND OCCASIONAL HEAVY RAIN. IF LIGHTNING IS NEARBY...SEEK SHELTER INDOORS AND AWAY FROM WINDOWS. THE THUNDERSTORMS SHOULD DIMINISH BY 1000 PM IN THE OKLAHOMA CITY AREA.
Special weather statement, Sep 19, 8:03 PM CDT, 51 minutes before
OKZ004>021-TXZ076-TXZ077-200200- SPECIAL WEATHER STATEMENT...CORRECTION FOR TITLE NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 800 PM CDT SUN SEP 19 1993 ...STRONG THUNDERSTORMS WILL MOVE INTO OKLAHOMA CITY BY 815 PM... THUNDERSTORMS WITH FREQUENT LIGHTNING WILL MOVE INTO WESTERN OKLAHOMA CITY...INCLUDING THE OKLAHOMA STATE FAIRGROUNDS...BETWEEN 800 PM AND 815 PM. THE STORMS WILL CONTAIN FREQUENT LIGHTNING AND OCCASIONAL HEAVY RAIN. IF LIGHTNING IS NEARBY...SEEK SHELTER INDOORS AND AWAY FROM WINDOWS. THE THUNDERSTORMS SHOULD DIMINISH BY 1000 PM IN THE OKLAHOMA CITY AREA.
Local storm report, Sep 19, 8:05 PM CDT, 49 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 805 PM CDT SUN SEP 19 1993 TIME COUNTY EVENT 730 PM COMANCHE NICKEL SIZED HAIL IN CACHE 737 PM COMANCHE QUARTER SIZED HAIL IN CACHE
Local storm report, Sep 19, 8:11 PM CDT, 43 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 8:05 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 40 min |
| Sep 19, 8:10 PM CDT | Severe Thunderstorm Warning | OUN | Logan | 50 min |
| Sep 19, 8:14 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 46 min |
| Sep 19, 8:31 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 44 min |
| Sep 19, 8:37 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 53 min |
| Sep 19, 9:21 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 39 min |
Nearby
Flash Flood Warnings in Oklahoma, 1993Every flash flood warning in 1993
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.