Alert archive / Colorado / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 99, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 25, 1994, 4:57 PM MDT for Morgan County, Weld County, Colorado. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1994, 4:57 PM MDT (22:57 UTC)
- Expired
- Jul 25, 1994, 5:30 PM MDT
- In force
- 33 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Morgan County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 79 km from the middle of the area, began a volume at 22:59 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 (KDEN), launched 12:00Z, 11.0 hours before the alert went out and 95 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
- 472 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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.
In the hours before
Special weather statement, Jul 25, 11:00 AM MDT, 5 hours 57 minutes before
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</html>Special weather statement, Jul 25, 11:02 AM MDT, 5 hours 55 minutes before
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</html>Special weather statement, Jul 25, 3:00 PM MDT, 1 hour 57 minutes before
COZALL-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT MON JUL 25 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM MDT FOR MUCH OF NORTHEAST COLORADO... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM TONIGHT FOR THE FOLLOWING COUNTIES OF NORTHEAST COLORADO... EASTERN LARIMER...ADAMS...ARAPAHOE...EASTERN BOULDER...DENVER...EASTERN DOUGLAS...LOGAN...MORGAN..PHILLIPS...SEDGWICK...WASHINGTON...WELD...AND YUMA. CITIES AND TOWNS INCLUDED IN THE WATCH AREA INCLUDE... METRO DENVER...LONGMONT...FORT COLLINS...LOVELAND...GREELEY...FORT MORGAN...AKRON...STERLING...JULESBURG...AND WRAY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STORMS MAY PRODUCE LARGE HAIL...STRONG WINDS IN EXCESS OF 60 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN. IF YOU LIVE IN THE WATCH AREA...WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNING. CUOCO
Special weather statement, Jul 25, 3:03 PM MDT, 1 hour 54 minutes before
COZALL-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT MON JUL 25 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM MDT FOR MUCH OF NORTHEAST COLORADO... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM TONIGHT FOR THE FOLLOWING COUNTIES OF NORTHEAST COLORADO... EASTERN LARIMER...ADAMS...ARAPAHOE...EASTERN BOULDER...DENVER...EASTERN DOUGLAS...LOGAN...MORGAN..PHILLIPS...SEDGWICK...WASHINGTON...WELD...AND YUMA. CITIES AND TOWNS INCLUDED IN THE WATCH AREA INCLUDE... METRO DENVER...LONGMONT...FORT COLLINS...LOVELAND...GREELEY...FORT MORGAN...AKRON...STERLING...JULESBURG...AND WRAY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STORMS MAY PRODUCE LARGE HAIL...STRONG WINDS IN EXCESS OF 60 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN. IF YOU LIVE IN THE WATCH AREA...WATCH FOR THREATE NING WEATHER AND LISTEN TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNING. CUOCO
Special weather statement, Jul 25, 4:04 PM MDT, 53 minutes before
COZ042-252300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 405 PM MDT MON JUL 25 1994 ...STRONG THUNDERSTORMS MOVING INTO NORTHEAST WELD COUNTY... AT 358 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A PAIR OF STRONG THUNDERSTORMS IN EXTREME SOUTHEAST WYOMING AND NORTHEAST WELD COUNTY. ONE STORM WAS 6 MILES NORTHEAST OF HEREFORD AND THE OTHER WAS 15 MILES NORTH OF STONEHAM. THESE STORMS WERE MOVING SOUTHEAST AT 15 MPH. PEOPLE IN NORTHEAST WELD COUNTY INCLUDING RESIDENTS OF GROVER... HEREFORD...KEOTA AND STONEHAM CAN EXPECT BRIEF HEAVY RAIN...GUSTY WINDS...POSSIBLE HAIL AND DANGEROUS LIGHTNING THROUGH 445 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH CENTRAL AND EASTERN COLORADO UNTIL 900PM MDT. DANKERS LAT...LON 4058 10365 4056 10423 4115 10438 4109 10363
Special weather statement, Jul 25, 4:05 PM MDT, 52 minutes before
COZ042-252300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 405 PM MDT MON JUL 25 1994 ...STRONG THUNDERSTORMS MOVING INTO NORTHEAST WELD COUNTY... AT 358 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A PAIR OF STRONG THUNDERSTORMS IN EXTREME SOUTHEAST WYOMING AND NORTHEAST WELD COUNTY. ONE STORM WAS 6 MILES NORTHEAST OF HEREFORD AND THE OTHER WAS 15 MILES NORTH OF STONEHAM. THESE STORMS WERE MOVING SOUTHEAST AT 15 MPH. PEOPLE IN NORTHEAST WELD COUNTY INCLUDING RESIDENTS OF GROVER... HEREFORD...KEOTA AND STONEHAM CAN EXPECT BRIEF HEAVY RAIN...GUSTY WINDS...POSSIBLE HAIL AND DANGEROUS LIGHTNING THROUGH 445 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH CENTRAL AND EASTERN COLORADO UNTIL 900PM MDT. DANKERS LAT...LON 4058 10365 4056 10423 4115 10438 4109 10363
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:01 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 44 min |
| Jul 25, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 35 min |
| Jul 25, 5:41 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 34 min |
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; radar from the NEXRAD Level II archive.