Alert archive / Montana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 33, NWS Great Falls, MT

June 26, 1996Pondera County, Teton County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 26, 1996, 10:51 PM MDT for Pondera County, Teton County, Montana. It was in force for 54 min. 2 reports 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, 10:51 PM MDT (04:51 UTC)
Expired
Jun 26, 1996, 11:45 PM MDT
In force
54 min
Issued by
NWS Great Falls, MT
Area
Whole counties

Counties Pondera County, MT, Teton County, MT

The radar

The Great Falls radar (KTFX), 90 km from the middle of the area, began a volume at 04:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 26, 11:05 PM MDTHail 0.75Brady, MT
Jun 26, 11:15 PM MDTHail 1Brady, 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 00:00Z, 4.9 hours before the alert went out and 138 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, Great_falls, MT at 00:00Z on 1996-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1796 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 00:00Z on 1996-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.1939587897Sfc1 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
1796 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1324 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
1.3
Supercell composite
9.6

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 6:45 PM MDTSevere Thunderstorm WarningTFXLiberty30 min
Jun 26, 6:49 PM MDTSevere Thunderstorm WarningTFXFergus26 min
Jun 26, 7:19 PM MDTSevere Thunderstorm WarningTFXBlaine, Fergus41 min
Jun 26, 9:58 PM MDTSevere Thunderstorm WarningTFXPetroleum47 min
Jun 26, 10:14 PM MDTTornado WarningTFXPetroleum31 min
Jun 26, 11:34 PM MDTSevere Thunderstorm WarningTFXToole26 min
Jun 26, 11:51 PM MDTTornado WarningTFXToole39 min
Jun 27, 12:00 AM MDTSevere Thunderstorm WarningTFXLiberty45 min
Jun 27, 12:16 AM MDTTornado WarningTFXLiberty29 min
Jun 27, 12:41 AM MDTSevere Thunderstorm WarningTFXHill, Liberty49 min
Jun 27, 5:37 AM MDTSevere Thunderstorm WarningTFXPondera, Toole53 min
Jun 27, 6:17 AM MDTSevere Thunderstorm WarningTFXLiberty43 min

Nearby

Severe Thunderstorm Warnings in Montana, 1996Every 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; radar from the NEXRAD Level II archive.