Alert archive / Wyoming / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 13, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jun 3, 2001, 2:00 PM MDT for Sheridan County, Wyoming. It was in force for 45 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 3, 2001, 2:00 PM MDT (20:00 UTC)
- Expired
- Jun 3, 2001, 2:45 PM MDT
- In force
- 45 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Sheridan County, WY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 3, 2:05 PM MDT | Hail 0.75 | Sheridan, WY | |
| Jun 3, 2:35 PM MDT | Hail 0.75 | Sheridan, WY | |
| Jun 3, 2:40 PM MDT | Thunderstorm Wind 60 E | Clearmont, WY | Wind damage. 3.5 foot diameter tree blown down near Ucross. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 3, 12:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 8.0 hours before the alert went out and 227 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.
- Mixed-layer CAPE
- 27 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 1554 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
027 WUUS55 KBYZ 032001 SVRBIL WYC033-032045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BILLINGS MT 200 PM MDT SUN JUN 3 2001 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN SHERIDAN COUNTY IN NORTH CENTRAL WYOMING * UNTIL 245 PM MDT * AT 200 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EAST CENTRAL SHERIDAN COUNTY...OR ABOUT 20 MILES EAST OF SHERIDAN...MOVING NORTH AT 25 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF... EASTERN SHERIDAN AND NORTHERN SHERIDAN COUNTIES. THIS IS A CONTINUATION THE PREVIOUS WARNING. $$ LAT...LON 4473 10670 4474 10615 4499 10615 4499 10679
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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 3, 9:32 AM MDT, 4 hours 28 minutes earlier.
Area forecast discussion, Jun 3, 9:32 AM MDT, 4 hours 28 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
932 AM MDT SUN JUN 3 2001
.TDY AND MON...
ZONES WILL BE UPDATED THIS MORNING. STRONG UPPER LEVEL SYSTEM HAS MOVED
INTO WESTERN MONTANA AND WILL CONTINUE TO SLOWLY MOVE EASTWARD ACROSS
THE STATE. 700 MB LOW ASSOCIATED WITH THIS SYSTEM WILL TRACK INTO THE
LIVINGSTON AREA TODAY...PUTTING AREAS NORTH AND EAST INTO OVERRUNNING
PRECIPITATION. RAIN AND THUNDERSTORMS HAVE ALREADY DEVELOPED IN
SOUTHEAST MONTANA AND THE LIVINGSTON AREA. IN BETWEEN THOSE AREAS...IS
AN AREA OF MOSTLY SUNNY SKIES. THE ADDITIONAL HEATING THAT RESULTS
WILL ADD TO THE INSTABILITY AND INCREASE PRECIPITATION AMOUNTS THIS
AFTERNOON FOR SOUTH CENTRAL MONTANA. THIS IS A COLD SYSTEM FOR JUNE...
SO SNOW IS LIKELY ABOVE 8000 FEET TODAY AND ABOVE 6000 FEET TONIGHT.
MIDDENDORF
.TUE...WED...THU...FRI...SAT...
LATEST AVN RUN IS SLOWER WITH PULLING UPPER LOW OUT OF STATE. MODEL
STILL LINGERS LOW IN EAST WITH CONTINUED WRAP AROUND MOISTURE INTO
WESTERN ZONES TUESDAY. SINCE SYSTEM IS CUT OFF FROM MAIN FLOW WITH
BASICALLY A REX BLOCK SITTING OVER CENTRAL CANADA/NORTHERN USA...THIS
SLOW SOLUTION LOOKS REASONABLE. ETA OUT TO 60HRS MATCHES UP WELL WITH
AVN. WEDNESDAY AND BEYOND LOOK ON TRACK FOR A WARMING TREND AS RIDGE
BUILDS INTO AREA...HOWEVER FORECAST AREA MAY BE VULNERABLE TO
SOUTHWEST FLOW LATER IN PERIOD. WILL ONLY UPDATE TUESDAY FOR NOW BY
ADDING IN SHOWERS FOR ENTIRE FORECAST AREA. TEMPS LOOK OK BUT MIGHT
ALSO BE TOO WARM. SCARLETT
TDY MON TUE WED THU FRI SAT
-------------------------------------------------------
BIL 059 045/057 043/071 048/082 055/090 058/092 058/088
+/T 86/R 30/E 00/U 00/U 00/B 02/B
LVM 056 037/056 035/070 040/082 047/088 050/090 050/085
+/R 86/R 30/E 00/U 00/U 00/B 02/B
HDN 060 043/058 040/074 044/085 052/094 054/095 052/093
+/T 86/R 30/E 00/U 00/U 00/B 02/B
MLS 061 048/061 045/070 048/084 055/092 058/095 058/095
+/T 74/R 33/W 00/U 00/U 00/U 00/B
4BQ 060 047/060 043/068 046/082 053/090 056/093 056/093
+/T 74/R 33/W 00/U 00/U 00/U 00/B
BHK 059 045/058 040/066 044/080 050/088 054/091 055/091
+/T 74/R 33/W 00/U 00/U 00/U 00/B
SHR 061 042/056 037/070 041/082 048/090 053/091 055/091
+/T 84/R 30/W 00/U 00/U 00/B 02/BThe office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 1:05 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 55 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 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.