Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 102, NWS Norman, OK

July 4, 1995Clay County, Texas

NWS Norman, OK issued this flash flood warning at Jul 4, 1995, 8:23 PM CDT for Clay County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 4, 1995, 8:23 PM CDT (01:23 UTC)
Expired: Jul 4, 1995, 11:15 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Clay County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.4 hours before the alert went out and 136 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: 3606 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1355 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 8.8

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 Jul 4, 3:45 PM CDT, 4 hours 38 minutes earlier.

Area forecast discussion, Jul 4, 3:45 PM CDT, 4 hours 38 minutes before

FPUS3 KOKC 042045
AFDOKC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
345 PM CDT TUE JUL 4 1995

MAIN CONCERN TONIGHT IS CHANCE OF PRECIP. 18Z SOUNDING SHOWS CAP AT 850 HAS
WEAKENED...HOWEVER WITH DRIER AIR FILTERING INTO CENTRAL OKLAHOMA ATTM...TEMPS
WOULD HAVE TO BREAK 100 TO BREAK CAP.  CHANCE OF THUNDER THIS EVENING/ TONIGHT
CONTINUES IN ERN AND SOUTHCENTRAL ZONES STILL AHEAD OF DRYLINE.  ALSO...HAVE
SOME CONCERNS ABOUT THUNDER NOW IN NORTHWEST KANSAS BEHIND COLD FRONT. COULD SEE
SOME WRAP-AROUND OR ELEVATED THUNDER IN NORTHCENTRAL ZONES...SO WILL LEAVE LOW
POPS THIS AREA AS WELL.

FCSTID =  10
OKC   66  90  69  91 /   0   0   0   0
HBR   65  91  69  93 /   0   0   0   0
SPS   65  91  69  93 /   0   0   0   0
GAG   56  88  59  92 /   0   0   0   0
PNC   56  88  59  92 /  30   0   0   0
DUA   70  95  69  92 /  30  20   0   0

.OK...NONE.
.TX...NONE.

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 7:08 PM CDT	Tornado Warning	OUN	Johnston	37 min
Jul 4, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston	37 min
Jul 4, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston	45 min
Jul 5, 12:45 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	45 min
Jul 5, 1:15 AM CDT	Severe Thunderstorm Warning	OUN	Choctaw	45 min
Jul 4, 7:17 PM CDT	Severe Thunderstorm Warning	OUN	Clay	28 min
Jul 4, 7:47 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	43 min
Jul 4, 8:35 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	55 min
Jul 4, 9:20 PM CDT	Flash Flood Warning	OUN	Archer	3 hr

Nearby

Flash Flood Warnings in Texas, 1995 Every flash flood warning in 1995

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.