Alert archive / Wyoming / Flash Flood Warnings in 1995

Flash Flood Warning 1, NWS Riverton, WY

June 13, 1995Fremont County, Wyoming

NWS Riverton, WY issued this flash flood warning at Jun 13, 1995, 8:30 PM MDT for Fremont County, Wyoming. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jun 13, 1995, 8:30 PM MDT (02:30 UTC)
Expired
Jun 14, 1995, 8:15 AM MDT
In force
12 hr
Issued by
NWS Riverton, WY
Area
Whole counties

County Fremont County, WY

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 2.5 hours before the alert went out and 19 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-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 1995-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 1995-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
534 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
3113 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLND 140218
FFWLND
WYC013-141415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE LANDER WY
813 PM MDT TUE JUN 13 1995
 
THE NATIONAL WEATHER SERVICE IN LANDER WY HAS ISSUED A
FLOOD WARNING
EFFECTIVE UNTIL  815 AM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WYOMING
 
   ...FREMONT COUNTY
 
...INCLUDING THE TOWNS OF LANDER....HUDSON...
 
THE POPO AGIE RIVER CONTINUES TO RISE SIGNIFICANTLY AND IS EXPECTED TO R
CFLOOD STAGE AT 6.5 FEET BY SUNRISE WEDNESDAY MORNING. THE MIDDLE FORK OF
THE POPO AGIE RIVER IN SINKS CANYON ROSE FROM 5.1 TO 5.5 FEET FROM 4:30
PM TO 6:30 PM THIS EVENING. AT THIS RATE OF INCREASE...THE POPO AGIE IS
EXPECTED TO REACH THE FLOOD STAGE OF 6.5 FEET EARLY WEDNESDAY MORNING.
THE NORTH AND SOUTH FORKS OF THE POPO AGIE ALSO HAVE SHOWN SIGNIFICANT
INCREASES IN WATER LEVELS THIS EVENING.
 
IF YOU LIVE IN A FLOOD PRONE AREA ALONG THE POPO AGIE...BE PREPARED TO M
ETO HIGHER GROUND TONIGHT.
 
 
WCJIN-WYNW
AEM

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 10:16 PM MDTFlash Flood WarningRIWFremont12 hr

Nearby

Flash Flood Warnings in Wyoming, 1995Every 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.