Alert archive / Montana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 27, NWS Great Falls, MT

June 26, 1996Teton County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 26, 1996, 4:49 PM MDT for Teton County, Montana. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 26, 1996, 4:49 PM MDT (22:49 UTC)
Expired: Jun 26, 1996, 5:30 PM MDT
In force: 41 min
Issued by: NWS Great Falls, MT
Area: Whole counties

County Teton County, MT

What was reported inside it

Time	Report	Where	Remark
Jun 26, 5:10 PM MDT	Hail 0.75	Fairfield, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 10.8 hours before the alert went out and 130 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: 344 J/kg
Mixed-layer CIN: -235 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 26, 11:18 AM MDT, 5 hours 31 minutes before

NATIONAL WEATHER SERVICE GREAT FALLS MT
1045 PM MDT TUE JUN 25 1996

TIME(MDT)  ......CITY LOCATION...... MT   ...EVENT.............
DATE(MDT)  ......COUNTY LOCATION....      ...REMARKS...........

610 PM     10 MILES SE HLN           MT   HAIL
06/25/96   LEWIS AND CLARK                2 INCH HAIL

635 PM     CLANCY                    MT   HAIL
06/25/96   JEFFERSON                      2 INCH HAIL

700 PM     MONARCH                   MT   HAIL
06/25/96   CASCADE                        1 INCH HAIL

710 PM     15 MILES S FT BENTON      MT   HAIL
06/25/96   CHOUTEAU                       1.75 INCH HAIL

755 PM     MONARCH                   MT   HAIL
06/25/96   CASCADE                        NR 1 INCH HAIL

840 PM     7 MILES N OF STANFORD     MT   HAIL
06/25/96   JUDITH BASIN                   2.75 INCH HAIL

855 PM     STANFORD                  MT   HAIL
06/25/96   JUDITH BASIN                   3/4 INCH HAIL

855 PM     COFFEE CREEK TO DENTON    MT   TORNADO
06/25/96   FERGUS                         TORNADO TRACK FROM
                                          3 S OF COFFEE CREEK
                                          TO 2 S OF DENTON
                                          FROM 855 TO 915 PM

900 PM     COFFEE CREEK              MT   HAIL
06/25/96   FERGUS                         2.75 INCH HAIL

910 PM     DENTON                    MT   HAIL
06/25/96   FERGUS                         2.75 INCH HAIL

1155 PM    5 MILES NW OF BIG SANDY   MT   HAIL
06/25/96   CHOUTEAU                       7/8 INCH HAIL

Special weather statement, Jun 26, 3:29 PM MDT, 1 hour 20 minutes before

MTZ001-262145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
327 PM MDT WED JUN 26 1996

...STRONG THUNDERSTORMS OVER CENTRAL LEWIS AND CLARK COUNTY...

AT 320PM GREAT FALLS RADAR INDICATED A STRONG THUNDERSTORM OVER
RODGERS PASS IN CENTRAL LEWIS AND CLARK COUNTY.  THIS THUNDERSTORM
WAS MOVING TOWARD THE NORTHEAST AT 30 MPH.  GREAT FALLS RADAR ALSO
INDICATED SEVERAL OTHER THUNDERSTORMS DEVELOPING OVER SOUTHERN
AND SOUTHEAST LEWIS AND CLARK COUNTY.  ONE THUNDERSTORM WAS 5 MILES
SOUTHEAST OF THE TOWN OF WILBUR MOVING TOWARDS THE NORTHEAST.  ANOTHER
THUNDERSTORM 5 MILES NORTHEAST OF WOLF POINT WAS MOVING TOWARD THE
NORTHEAST AT 30 MPH.

THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL...BRIEF HEAVY RAIN
AND STRONG GUSTY WINDS.

&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 6:12 PM MDT	Severe Thunderstorm Warning	TFX	Lewis and Clark	33 min
Jun 25, 6:47 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Lewis and Clark, Meagher	43 min
Jun 25, 7:17 PM MDT	Severe Thunderstorm Warning	TFX	Chouteau	43 min
Jun 25, 7:33 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Meagher	42 min
Jun 25, 8:08 PM MDT	Severe Thunderstorm Warning	TFX	Judith Basin	52 min
Jun 25, 9:05 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	40 min
Jun 26, 4:00 PM MDT	Severe Thunderstorm Warning	TFX	Lewis and Clark, Teton	45 min
Jun 26, 4:33 PM MDT	Tornado Warning	TFX	Cascade, Lewis and Clark	42 min
Jun 26, 5:53 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	52 min

Nearby

Severe Thunderstorm Warnings in Montana, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.