Alert archive / Montana / Flash Flood Warnings in 1995

Flash Flood Warning 2, NWS Great Falls, MT

June 6, 19954 counties in Montana

NWS Great Falls, MT issued this flash flood warning at Jun 6, 1995, 5:05 AM MDT for 4 counties in Montana. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jun 6, 1995, 5:05 AM MDT (11:05 UTC)
Expired: Jun 6, 1995, 5:00 PM MDT
In force: 12 hr
Issued by: NWS Great Falls, MT
Area: Whole counties

Counties Broadwater County, MT, Gallatin County, MT, Jefferson County, MT, Lewis and Clark County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 11.1 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.

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1051 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGTF 061109
FFWGTF
MTC013-099-009-067-095-097-001-007-031-043-057-049-062300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
505 AM MDT TUE JUN 6 1995
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  500 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL MONTANA
 
   ...CASCADE COUNTY...SOUTHERN TETON COUNTY
 
IN SOUTH CENTRAL MONTANA
 
   ...CARBON COUNTY...PARK COUNTY...STILLWATER COUNTY
   ...SWEET GRASS COUNTY
 
IN SOUTHWEST MONTANA
 
   ...EASTERN BEAVERHEAD COUNTY...BROADWATER COUNTY
   ...GALLATIN COUNTY...JEFFERSON COUNTY...MADISON COUNTY
 
IN WEST CENTRAL MONTANA
 
   ...LEWIS AND CLARK COUNTY
 
THE SHERIFFS OFFICE OF CARBON COUNTY REPORTED MINOR FLOODING OF ROCK
CREEK...TWO MILES NORTH OF RED LODGE. OVERNIGHT DES OFFICIALS FROM
MADISON COUNTY...IN SOUTHEST MONTANA...REPORTED THE BIG
HOLE...BEAVERHEAD..AND RUBY RIVERS FLOWING OUT OF THEIR BANKS WITH MOST
COUNTY ROADS HAVING OVERRUNNING WATER AND QUITE A FEW WASHOUTS.
 
THE GALLATIN RIVER AT GATEWAY WAS SLIGHTLY ABOVE FLOOD STAGE AS OF
MIDNIGHT. FLOOD STAGE IS A 6.0 FEET.
 
OVERNIGHT REPORTS ALSO INDICATED THE SUN RIVER...IN CASCADE COUNTY WAS
RUNNING AT BANK FULL.
 
MANY COUNTY ROADS AND LOW LYING AREAS IN THE AFFECTED COUNTIES CAN
EXPECTED FLOODING TODAY DUE TO PERIODIC HEAVY RAINS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROFADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
 
&

The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 5:05 AM MDT	Flash Flood Warning	TFX	Beaverhead, Madison	12 hr
Jun 6, 5:05 AM MDT	Flash Flood Warning	TFX	Carbon, Park, Stillwater	12 hr
Jun 6, 5:05 AM MDT	Flash Flood Warning	TFX	Cascade, Teton	12 hr
Jun 6, 5:05 AM MDT	Flash Flood Warning	TFX	Sweet Grass	12 hr
Jun 6, 3:29 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	61 min

Nearby

Flash Flood Warnings in Montana, 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.