Alert archive / Colorado / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 41, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 3, 1994, 6:24 PM MDT for Boulder County, Colorado. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1994, 6:24 PM MDT (00:24 UTC)
- Expired
- Jun 3, 1994, 6:50 PM MDT
- In force
- 26 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Boulder County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.4 hours before the alert went out and 183 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
- 429 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 2104 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 040027
SVRDEN
COC013-040050-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
624 PM MDT FRI JUN 03 1994
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 650 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
BOULDER
INCLUDING THE FOLLOWING LOCATIONS
LAFAYETTE...BOLDER...LONGMONT...LOUISVILLE...MARSHALL...
NIWOT AND SUPERIOR
AT 624 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER BOULDER ...OR ABOUT 27 MILES
NORTHWEST OF DENVER.
THE PUBLIC REPORTED THREE QUARTER INCH HAIL 6 MILES EAST OF BOULDER
AT 624 PM.
THE STORM WAS MOVING NORTHEAST AT 10 MPH.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH CENTRAL
AND EAS^TERN COLORADO UNTIL 800PM MDT.
LAT...LON 3994 10509 3994 10538 4016 10536 4014 10510What 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 3, 3:07 PM MDT, 3 hours 17 minutes before
COZ036-040>041-032130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 307 PM MDT FRI JUN 03 1994 AT 305 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORM ACROSS MOST OF DOUGLAS COUNTY. THESE STORMS ARE NOT THAT STRONG...BUT ARE PRODUCING LOWERINGS WHICH REPRESENT WARM MOIST AIR THAT IS FEEDING THE STORMS. ALTHOUGH THEY HAVE THE APPEARANCE OF FUNNEL CLOUDS...THEY ARE NOT. THE WIND PROFILE IS NOT VERY CONDUCIVE FOR THE FORMATION OF STRONG TORNADOES TODAY. HOWEVER...A VERY WEAK TORNADO CAN QUICKLY SPIN UP ALONG THE STORMS IN DOUGLAS COUNTY. IF THEY DO DEVELOP, THE WINDS LIKELY WILL BE LESS THAN 70 MPH AND LAST A MINUTE OR LESS. THE STORM ARES MOVING EAST AT 10 MPH. LAT...LON 3931 10468 3913 10519 3948 10507 3952 10469
Special weather statement, Jun 3, 3:08 PM MDT, 3 hours 16 minutes before
COZ036-040>041-032130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 307 PM MDT FRI JUN 03 1994 AT 305 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORM ACROSS MOST OF DOUGLAS COUNTY. THESE STORMS ARE NOT THAT STRONG...BUT ARE PRODUCING LOWERINGS WHICH REPRESENT WARM MOIST AIR THAT IS FEEDING THE STORMS. ALTHOUGH THEY HAVE THE APPEARANCE OF FUNNEL CLOUDS...THEY ARE NOT. THE WIND PROFILE IS NOT VERY CONDUCIVE FOR THE FORMATION OF STRONG TORNADOES TODAY. HOWEVER...A VERY WEAK TORNADO CAN QUICKLY SPIN UP ALONG THE STORMS IN DOUGLAS COUNTY. IF THEY DO DEVELOP, THE WINDS LIKELY WILL BE LESS THAN 70 MPH AND LAST A MINUTE OR LESS. THE STORM ARES MOVING EAST AT 10 MPH. LAT...LON 3931 10468 3913 10519 3948 10507 3952 10469
Special weather statement, Jun 3, 4:34 PM MDT, 1 hour 50 minutes before
COZ036-039>040-043-032300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
435 PM MDT FRI JUN 03 1994
AT 430 PM MDT A BOUNDARY OF COOLER AIR...THAT DEVELOPED FROM
THUNDERSTORMS IN DOUGLAS COUNTY...STRETCHED FROM NORTHERN JEFFERSON
COUNTY AND EXTENDED NORTHEASTWARD INTO NORTHWEST ADAMS AND SOUTHERN WELD
COUNTIES. LARGE CLOUDS HAVE DEVELOPED ON THIS BOUNDARY AND IT IS
ANTICIPATED THAT THUNDERSTORMS WILL DEVELOP ALONG THIS LINE BY 500 PM.
SOME OF THE STORMS ALONG THIS LINE WILL HAVE THE POTENTIAL TO BECOME
SEVERE. THIS LINE OF THUNDERSTORMS IS EXPECTED TO DRIFT SLOWLY EASTWARD
AFTER THEY DEVELOP.
THE FOLLOWING AREAS WILL BE LOCATED CLOSE TO WHERE THESE THUNDERSTORMS
ARE EXPECTED TO DEVELOP AND SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER DURING THE NEXT 1 TO 2 HOURS.
ARVADA...BARR LAKE...BOULDER...BRIGHTON...BROOMFIELD...
COMMERCE CITY...DENVER...ELDORADO SPRINGS...ERIE...FORT
LUPTON...GOLDEN...HUDSON...LAFAYETTE...LEYDEN...LOCHBUIE...
LOUISVILLE...MARSHALL...NORTHGLENN...ROCKY FLATS...SUPERIOR
...THORNTON...WESTMINSTER... AND WHEAT RIDGE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH CENTRAL
AND EASTERN COLORADO UN~TIL 800PM MDT.
LAT...LON 3986 10478 3975 10526 3998 10536 4019 10453
IMYSpecial weather statement, Jun 3, 4:35 PM MDT, 1 hour 49 minutes before
COZ036-039>040-043-032300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
435 PM MDT FRI JUN 03 1994
AT 430 PM MDT A BOUNDARY OF COOLER AIR...THAT DEVELOPED FROM
THUNDERSTORMS IN DOUGLAS COUNTY...STRETCHED FROM NORTHERN JEFFERSON
COUNTY AND EXTENDED NORTHEASTWARD INTO NORTHWEST ADAMS AND SOUTHERN WELD
COUNTIES. LARGE CLOUDS HAVE DEVELOPED ON THIS BOUNDARY AND IT IS
ANTICIPATED THAT THUNDERSTORMS WILL DEVELOP ALONG THIS LINE BY 500 PM.
SOME OF THE STORMS ALONG THIS LINE WILL HAVE THE POTENTIAL TO BECOME
SEVERE. THIS LINE OF THUNDERSTORMS IS EXPECTED TO DRIFT SLOWLY EASTWARD
AFTER THEY DEVELOP.
THE FOLLOWING AREAS WILL BE LOCATED CLOSE TO WHERE THESE THUNDERSTORMS
ARE EXPECTED TO DEVELOP AND SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER DURING THE NEXT 1 TO 2 HOURS.
ARVADA...BARR LAKE...BOULDER...BRIGHTON...BROOMFIELD...
COMMERCE CITY...DENVER...ELDORADO SPRINGS...ERIE...FORT
LUPTON...GOLDEN...HUDSON...LAFAYETTE...LEYDEN...LOCHBUIE...
LOUISVILLE...MARSHALL...NORTHGLENN...ROCKY FLATS...SUPERIOR
...THORNTON...WESTMINSTER... AND WHEAT RIDGE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH CENTRAL
AND EASTERN COLORADO UNTIL 800PM MDT.
LAT...LON 3986 10478 3975 10526 3998 10536 4019 10453
IMYSpecial weather statement, Jun 3, 6:14 PM MDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 615 PM MDT FRI JUN 3 1994 A SEVERE THUNDERSTORM WATCH COVERS MUCH OF CENTRAL AND EASTERN COLORADO UNTIL 800 PM MDT. THE FOLLOWING COUNTIES REMAIN IN THE SEVERE THUNDERSTORM WATCH: EASTERN FREMONT...TELLER...ELBERT...EL PASO...LINCOLN... EASTERN LARIMER...ADAMS...ARAPAHOE...EASTERN BOULDER... DENVER...DOUGLAS...JEFFERSON...WESTERN LOGAN...MORGAN...WESTERN WASHINGTON...WELD...CROWLEY...EASTERN CUSTER...NORTHERN OTERO...PUEBLO...ORDWAY...PUEBLO AT 615 PM...THE STRONGEST THUNDERSTORMS WERE LOCATED IN JEFFERSON... DENVER...AND NORTHEAST WELD COUNTIES. THUNDERSTORMS WILL CONTINUE ACROSS CENTRAL AND EASTERN COLORADO FOR THE NEXT FEW HOURS...BEFORE THEY EVENTUALLY DIE OUT. IMY
Special weather statement, Jun 3, 6:15 PM MDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 615 PM MDT FRI JUN 3 1994 A SEVERE THUNDERSTORM WATCH COVERS MUCH OF CENTRAL AND EASTERN COLORADO UNTIL 800 PM MDT. THE FOLLOWING COUNTIES REMAIN IN THE SEVERE THUNDERSTORM WATCH: EASTERN FREMONT...TELLER...ELBERT...EL PASO...LINCOLN... EASTERN LARIMER...ADAMS...ARAPAHOE...EASTERN BOULDER... DENVER...DOUGLAS...JEFFERSON...WESTERN LOGAN...MORGAN...WESTERN WASHINGTON...WELD...CROWLEY...EASTERN CUSTER...NORTHERN OTERO...PUEBLO...ORDWAY...PUEBLO AT 615 PM...THE STRONGEST THUNDERSTORMS WERE LOCATED IN JEFFERSON... DENVER...AND NORTHEAST WELD COUNTIES. THUNDERSTORMS WILL CONTINUE ACROSS CENTRAL AND EASTERN COLORADO FOR THE NEXT FEW HOURS...BEFORE THEY EVENTUALLY DIE OUT. IMY
Nearby
Severe Thunderstorm Warnings in Colorado, 1994Every severe thunderstorm warning in 1994
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.