Alert archive / Montana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 178, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Sep 4, 2000, 4:11 AM MDT for Valley County, Montana. It was in force for 64 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
- Sep 4, 2000, 4:11 AM MDT (10:11 UTC)
- Expired
- Sep 4, 2000, 5:15 AM MDT
- In force
- 64 min
- Issued by
- NWS Glasgow, MT
- Area
- Whole counties
County Valley County, MT
The radar
The Glasgow radar (KGGW), 18 km from the middle of the area, began a volume at 10:14 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 4:30 AM MDT | Hail 0.75 | Hinsdale, MT | |
| Sep 4, 4:35 AM MDT | Hail 1 | Lustre, MT | |
| Sep 4, 4:37 AM MDT | Hail 1 | Glasgow, 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 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 Sep 4, 2:30 AM MDT, 1 hour 41 minutes earlier.
Area forecast discussion, Sep 4, 2:30 AM MDT, 1 hour 41 minutes before
NORTHEAST MONTANA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GLASGOW MT 230 AM MDT MON SEP 4 2000 UNSETTLED WEATHER PATTERN IS IN STORE FOR THE FORECAST PERIOD. CURRENTLY...UVV/S IN PLACE ACROSS THE AREA WITH RADAR SHOWING SHOWERS DEVELOPING OVER W CWA...MOVING NE. LIGHT EAST WINDS AT THE SURFACE HAVE TRANSPORTED MOISTURE WEST DURING THE EVENING WITH GOOD AMOUNT OF LOW-LEVEL MOISTURE PRESENT ACROSS THE CWA. DRY-LINE NOTED WORKING INTO CENTRAL MT...WITH DEWPOINTS IN THE 50S OVER E MT. MODELS ARE NOT IN GOOD AGREEMENT AND HAVEN/T SHOWN GOOD RUN TO RUN CONSISTENCY. BIGGEST CHANGE NOTED WITH THIS RUN IS THAT THE ETA/AVN MODELS HAVE BEEN TRENDING TOWARD A CUT-OFF UPPER LOW FORMING OVER CA...WITH UPPER RIDGE OVER PLAINS NOT BREAKING DOWN SO QUICKLY. THIS WILL KEEP CHANNELED VORTICITY ACROSS MT...PROVIDING JUST ENOUGH INSTABILITY FOR SCATTERED SHOWERS THROUGH TUESDAY. SPC HAS NE MT OUTLINED IN A SLIGHT RISK AREA FOR TODAY. THIS LOOKS OK AS MODELS HAVE SURFACE LOW WORKING TOWARD NE MT ON STRONG BAROCLINIC RIBBON. ETA SHOWING CAPES INCREASING TODAY...PEAKING OUT NEAR 2000 J/KG OVER THE EASTERN ZONES 06Z/TUES. OTHERWISE... THERMAL/UPPER RIDGE WORKS INTO THE DAKOTAS TUESDAY. THIS SHOULD ALLOW UNSETTLED CONDITIONS TO WORK INTO THE AREA. TEMP FORECASTING WILL CONTINUE TO BE DIFFICULT WITH STRATUS "FLOATING" AROUND AREA INTO TUESDAY. JAMBA EXTENDED...MODELS ONCE AGAIN RAPIDLY DIVERGE FROM A COMMON SOLUTION AFTER 60HRS. AVN KEEPS DEEP TROF OVER WESTERN AND CENTRAL MONTANA. ECMWF AND CANADIAN MODELS PUSH THE TROF THROUGH CWA BY FRIDAY MORNING...BUT KEEP SOUTHWEST FLOW ALOFT OVER AREA. 12Z MRF HAD FLOW ALOFT GOING NORTHWEST LATE ON WEDNESDAY. ALL MODELS POINT TO A WARMING TREND THROUGH FRIDAY. WILL HEDGE FORECAST TOWARD A SLOWER AVN/ECMWF/CANADIAN SOLUTION WITH UNSTABLE SOUTHWEST FLOW ALOFT. POHL KGGW EEWBB /074 055/075 050/073 044/075 046/078 76453/87322 KGDV EEWBB /079 055/079 051/074 046/077 048/079 76343/87322
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 3:09 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Sep 4, 4:35 AM MDT | Severe Thunderstorm Warning | GGW | Daniels | 55 min |
| Sep 4, 5:18 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Sep 4, 5:49 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 56 min |
| Sep 4, 7:08 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Sep 4, 8:12 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000
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; radar from the NEXRAD Level II archive.