Alert archive / Montana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 45, NWS Billings, MT

June 23, 2001Big Horn County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 23, 2001, 7:10 PM MDT for Big Horn County, Montana. It was in force for 65 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 23, 2001, 7:10 PM MDT (01:10 UTC)
Expired: Jun 23, 2001, 8:15 PM MDT
In force: 65 min
Issued by: NWS Billings, MT
Area: Whole counties

County Big Horn County, MT

The radar

The Billings radar (KBLX), 99 km from the middle of the area, began a volume at 01:13 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
Jun 23, 7:30 PM MDT	Hail 0.75	Decker, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 23, 5:15 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 5:09 PM MDT, 2 hours 1 minute earlier.

Area forecast discussion, Jun 23, 5:09 PM MDT, 2 hours 1 minute before

SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
509 PM MDT SAT JUN 23 2001

.SUN AND MON...
UPDATES COMING TO ZONES. SEVERE THUNDERSTORM WATCH ISSUED.
SPRINGER

.TUE...WED...THU...FRI...SAT...
AFTER SHORTWAVE MOVES ACROSS THE AREA ON MONDAY...UPPER RIDGE REBOUNDS
ACROSS THE FORECAST AREA ON TUESDAY. HEIGHTS CONTINUE TO RISE ACROSS
THE FORECAST AREA THROUGH THURSDAY WHICH WILL DECREASE THE THREAT FOR
THUNDERSTORMS AND KEEP DAYTIME HIGHS INTO THE UPPER 80S TO MID 90S.
EXTENDED RANGE MODELS GOING BACK AND FORTH ON DIFFERING SOLUTIONS FOR
DAYS 6 AND 7...SO WILL GO WITH A PERSISTENCE FORECAST FOR FRIDAY AND
SATURDAY SINCE THERE IS NO GOOD INDICATION TO GO WITH ANY OF THE
VARYING SOLUTIONS FOR FRIDAY AND SATURDAY. MEIER

    SUN     MON     TUE     WED     THU     FRI     SAT
-----------------------------------------------------------
BIL 062/093 055/083 052/088 052/090 052/090 052/092 052/092
    44/T    44/T    43/T    33/T    22/U    22/U    22/B
LVM 058/087 048/081 048/085 048/087 050/087 050/089 050/089
    44/T    44/T    43/T    33/T    22/B    22/U    22/B
HDN 060/098 053/089 050/090 050/092 050/092 050/094 050/094
    44/T    44/T    43/T    33/T    22/U    22/U    22/B
MLS 062/095 060/084 055/090 053/092 053/094 053/094 053/094
    44/T    44/T    43/T    33/T    22/U    22/U    22/B
4BQ 059/097 062/089 055/092 052/094 054/095 054/095 054/095
    44/T    44/T    43/T    33/T    22/U    22/U    22/B
BHK 060/094 059/084 054/091 051/093 051/095 051/095 051/095
    44/T    44/T    43/T    33/T    22/U    22/U    22/B
SHR 059/096 058/086 049/090 049/092 049/092 049/092 049/092
  l  44/T    44/T    43/T    33/T    22/U    22/U    22/B

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 6:05 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	40 min
Jun 23, 6:57 PM MDT	Severe Thunderstorm Warning	BYZ	Stillwater, Yellowstone	63 min
Jun 23, 7:26 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	49 min
Jun 24, 5:44 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	61 min

Nearby

Severe Thunderstorm Warnings in Montana, 2001 Every 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; radar from the NEXRAD Level II archive.