Alert archive / Oklahoma / Flash Flood Warnings in 1994

Flash Flood Warning 5, NWS Norman, OK

May 6, 1994Kay County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 6, 1994, 6:08 PM CDT for Kay County, Oklahoma. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: May 6, 1994, 6:08 PM CDT (23:08 UTC)
Expired: May 6, 1994, 10:15 PM CDT
In force: 4 hr
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Kay County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.1 hours before the alert went out and 179 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 590 J/kg
Mixed-layer CIN: -278 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

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 May 6, 3:42 PM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, May 6, 3:42 PM CDT, 2 hours 26 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

Special weather statement, May 6, 12:45 PM CDT, 5 hours 23 minutes before

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Special weather statement, May 6, 12:47 PM CDT, 5 hours 21 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Local storm report, May 6, 4:40 PM CDT, 1 hour 28 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, 1 hour 24 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, 4:09 PM CDT	Severe Thunderstorm Warning	OUN	Kay	51 min
May 6, 4:55 PM CDT	Severe Thunderstorm Warning	OUN	Kay	50 min
May 6, 5:19 PM CDT	Tornado Warning	OUN	Kay	26 min
May 6, 5:42 PM CDT	Severe Thunderstorm Warning	OUN	Kay	48 min
May 6, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Kay	45 min
May 6, 6:55 PM CDT	Tornado Warning	OUN	Kay	35 min

Nearby

Flash Flood Warnings in Oklahoma, 1994 Every 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.