Alert archive / Montana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 10, NWS Glasgow, MT

June 10, 2001Richland County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 10, 2001, 6:06 PM MDT for Richland County, Montana. It was in force for 54 min. 3 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 10, 2001, 6:06 PM MDT (00:06 UTC)
Expired
Jun 10, 2001, 7:00 PM MDT
In force
54 min
Issued by
NWS Glasgow, MT
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Richland County, MT

What was reported inside it

TimeReportWhereRemark
Jun 10, 6:40 PM MDTHail 1Sidney, MT
Jun 10, 6:55 PM MDTHail 0.75Sidney, MT
Jun 10, 7:10 PM MDTHail 0.75Fairview, 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.1 hours before the alert went out and 312 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, Bismarck Municip, ND at 00:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 493 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, Bismarck Municip, ND at 00:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.19395878Sfc1 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
493 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
2220 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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.

NWS Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 2:25 PM MDT, 3 hours 41 minutes earlier.

Area forecast discussion, Jun 10, 2:25 PM MDT, 3 hours 41 minutes before
NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
225 PM MDT SUN JUN 10 2001

CU STARTING TO FORM OFF THE FRONT RANGE AND MOVING OUT INTO CENTRAL
MONTANA AS 70+ KT JET PUSHES INTO SOUTHERN ALBERTA. WEAK DEW POINT
FRONT SET UP ALONG THE MISSOURI RIVER ACROSS EASTERN MONTANA WITH
DEW POINTS IN THE 50S SOUTH AND IN THE 40S NORTH. EXPECT THIS FRONT
TO BE A FOCUS FOR CONVECTION MOVING OUT OF THE MOUNTAINS THIS
AFTERNOON AND INTO THIS EVENING. WILL ADD MENTION OF SEVERE STORMS
TO SOUTHERN ZONES AS FRONT PROGGED TO SAG SOUTHWARD OVERNIGHT AS
COLD FRONT PUSHES THROUGH THE STATE. TAIL OF COLD FRONT DROPS INTO
NORTHERN WYOMING LEAVING HIGH PRESSURE OVER STATE ON MONDAY. UPPER
LOW ROTATES INTO PACIFIC NORTHWEST MONDAY NIGHT PUSHING FRONT
NORTHWARD AS A WARM FRONT AND SETTING UP AN OVERRUNNING SITUATION.
MODELS SIMILAR WITH EVOLVING LOW EXCEPT THAT ETA IS WEAKER AND
FURTHER SOUTH THAN AVN. FAVORING THE AVN ATTM BUT BOTH MODELS SPREAD
RAIN INTO SOUTHERN CWA MONDAY NIGHT AND ACROSS ENTIRE CWA TUESDAY.
HEIGHTS AND THICKNESSES LOWERING ALONG WITH CLOUDS AND RAIN TO COOL
TEMPERATURES THROUGH THE PERIOD. EBERT

EXTENDED...LOOKS LIKE A WET WEEK SETTING UP FOR NEMONT. ALL MODELS
IN AGREEMENT WITH PLACING UPR LOW OVER SC MT OR NRN WY ON WED. SFC
LOW DEVLPS UNDER DIVERGENCE ALOFT SOMEWHERE OVER ERN MT OR WRN
DAKOTAS WITH BIG OVER RUNNING PRECIP SHIELD OVER NEMONT...
REMINISCENT OF THE 2 DAY/2 INCH DELUGE OF LAST WEEK. NOT EXPECTING
QUITE AS MUCH PRECIP BUT NOT OUT OF THE QUESTION. UPR LOW TAKING
IT/S TIME MOVING OUT SO SHOWERS REMAIN IN FCST THU WITH NEW S/WAVE
AND SHOWERS FOR FRI AND SAT. SUN LOOKS LIKE THE BEST CHC FOR A DRY
DAY.     WRIGHT

KGGW 051/072 048/066 050/058 050/060 050/066 052/068 047/071
      BTRWWWB  903136/9585432
KGDV 054/074 048/068 048/058 048/061 051/066 050/069 045/071
      BTRWWWB  903136/9585442

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:00 PM MDTSevere Thunderstorm WarningGGWRichland40 min
Jun 11, 1:14 AM MDTSevere Thunderstorm WarningGGWDawson, Wibaux31 min

Nearby

Severe Thunderstorm Warnings in Montana, 2001Every severe thunderstorm warning in 2001

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.