Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 49, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 7, 1995, 10:00 PM MDT for Logan County, Morgan County, Washington County, Colorado. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1995, 10:00 PM MDT (04:00 UTC)
- Expired
- Jun 7, 1995, 10:45 PM MDT
- In force
- 45 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Logan County, CO, Morgan County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 116 km from the middle of the area, began a volume at 04:02 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.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 4.0 hours before the alert went out and 51 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
- 581 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 080405 RRA
SVRDEN
COC075-087-121-080445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
1000 PM MDT WED JUN 07 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
SOUTHWESTERN LOGAN...MORGAN AND NORTHWESTERN WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
ANTELOPE SPRINGS...ATWOOD...BRUSH...FORT MORGAN...GOODRICH
...HILLROSE...JACKSON RESERVOIR...LOG LANE VILLAGE...MERINO
...PREWITT RESERVOIR...SNYDER...STERLING...WELDONA...
WIGGINS AND WILLARD
AT 1000 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE THUNDERSTORMS FROM SOUTHWEST OF STERLING TO FORT
MORGAN.
THE LINE OF SEVERE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT
10 MPH.
IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL...DAMAGING WINDS OVER 60 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
A TORNADO WATCH REMAINS IN EFFECT FOR...SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH
AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
KLEYLA
LAT...LON 4030 10325 4008 10409 4044 10409 4063 10321
4043 10320What 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.
In the hours before
Special weather statement, Jun 7, 4:54 PM MDT, 5 hours 6 minutes before
COZ036-038>040-043-072345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 455 PM MDT WED JUN 07 1995 AT 450 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR THUNDERSTORMS WERE INTENSIFYING ALONG THE NORTHEAST FRONT RANGE FROM SOUTHWEST OF GREELEY TO NEAR WESTMINSTER. THE STRONGEST THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF ERIE...OR ABOUT 18 MILES NORTH OF DENVER. THIS STORM CONTAINS BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MPH. RESIDENTS ACROSS THE NORTHEAST FRONT RANGE SHOULD BE AWARE OF ADDITIONAL THUNDERSTORM DEVELOPMENT WHICH MAY PRODUCE BRIEF HEAVY RAINS...SMALL HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING FOR THE NEXT COUPLE OF HOURS. KLEYLA
Special weather statement, Jun 7, 4:55 PM MDT, 5 hours 5 minutes before
COZ036-038>040-043-072345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 455 PM MDT WED JUN 07 1995 AT 450 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR THUNDERSTORMS WERE INTENSIFYING ALONG THE NORTHEAST FRONT RANGE FROM SOUTHWEST OF GREELEY TO NEAR WESTMINSTER. THE STRONGEST THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF ERIE...OR ABOUT 18 MILES NORTH OF DENVER. THIS STORM CONTAINS BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MPH. RESIDENTS ACROSS THE NORTHEAST FRONT RANGE SHOULD BE AWARE OF ADDITIONAL THUNDERSTORM DEVELOPMENT WHICH MAY PRODUCE BRIEF HEAVY RAINS...SMALL HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING FOR THE NEXT COUPLE OF HOURS. KLEYLA WUUS01KMKE //
Special weather statement, Jun 7, 9:30 PM MDT, 30 minutes before
COZ042>043-080400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 930 PM MDT WED JUN 07 1995 ...URBAN AND SMALL STREAM FLOOD ADVISORY EXPIRES... THE URBAN AND SMALL STREAM FLOOD ADVISORY FOR SOUTHERN AND CENTRAL WELD COUNTY WAS ALLOWED TO EXPIRE AT 9 PM. AT 925 PM...WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORMS WHICH PRODUCED LARGE HAIL...HEAVY RAINS AND A FEW TORNADOS HAD MOVED INTO NORTHERN MORGAN AND NORTHEAST WELD COUNTY. AN AUTOMATED WEATHER STATION IN GREELEY RECORDED ONE INCH OF RAINFALL BETWEEN 7 AND 8 PM. THE HEAVY RAINS DURING THE EVENING MAY HAVE FLOODED LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN COLORADO UNTIL 3 AM. DANKERS LAT...LON 4005 10421 4010 10495 4051 10486 4064 10413
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:30 PM MDT | Tornado Warning | BOU | Weld | 45 min |
| Jun 7, 7:15 PM MDT | Tornado Warning | BOU | Weld | 45 min |
| Jun 7, 7:56 PM MDT | Tornado Warning | BOU | Morgan, Weld | 49 min |
| Jun 7, 8:33 PM MDT | Tornado Warning | BOU | Morgan, Weld | 42 min |
| Jun 7, 9:45 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert, Lincoln | 45 min |
| Jun 7, 9:45 PM MDT | Tornado Warning | BOU | Adams, Washington | 45 min |
| Jun 7, 10:28 PM MDT | Tornado Warning | BOU | Logan, Washington | 32 min |
| Jun 7, 10:32 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Washington | 43 min |
| Jun 7, 11:29 PM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Jun 7, 11:59 PM MDT | Flash Flood Warning | BOU | Logan, Weld | 3 hr |
Nearby
Severe Thunderstorm Warnings in Colorado, 1995Every severe thunderstorm warning in 1995
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.