Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 10, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 12, 1995, 6:12 PM MDT for Weld County, Colorado. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 12, 1995, 6:12 PM MDT (00:12 UTC)
- Expired
- May 12, 1995, 7:00 PM MDT
- In force
- 48 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The radar
The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 00:16 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, 0.2 hours before the alert went out and 125 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
- 299 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1979 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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, May 12, 3:53 PM MDT, 2 hours 19 minutes before
COZ031-035-038-042-122245-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
350 PM MDT FRI MAY 12 1995
AT 347 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 6 MILES NORTH OF TEDS PLACE ...OR ABOUT 12 MILES
NORTH OF FORT COLLINS. OTHER STRONG THUNDERSTORMS WERE LOCATED OVER
NORTHEASTERN LARIMER AND NORTHWESTERN WELD COUNTIES. HAIL 1/2 INCHES
IN DIAMETER WAS REPORTED FROM THESE STORMS IN FORT COLLINS. THE STORMS
ARE MOVING TO THE NORTHEAST AT 25 MPH.
ALL PEOPLE IN NORTHEASTERN LARIMER AND NORTHWESTERN WELD COUNTIES
OF COLORADO INCLUDING THE FOLLOWING LOCATIONS
BELLVUE...CARR...FORT COLLINS...LIVERMORE...NATURAL FORT
REST AREA...NUNN...ROCKPORT...TEDS PLACE...VIRGINIA DALE
AND WELLINGTON
SHOULD BE ALERT FOR SMALL HAIL...STRONG GUSTY WINDS...BRIEF HEAVY
RAIN AND FREQUENT DANGEROUS LIGHTNING FROM THESE STORMS UNTIL 445 PM MDT
THIS AFTERNOON.
GARD...WSFO DENVER
LAT...LON 4068 10455 4059 10516 4099 10552 4099 10447Special weather statement, May 12, 4:13 PM MDT, 1 hour 59 minutes before
COZ041-045>046-049-122315-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
410 PM MDT FRI MAY 12 1995
...STRONG THUNDERSTORMS EAST OF DENVER...
AT 408 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 9 MILES SOUTHEAST OF COUNTRY GARDENS ...OR ABOUT
37 MILES NORTHWEST OF LIMON. THIS STORM WAS MOVING TO THE NORTHEAST AT
25 MPH.
ALL PEOPLE IN EASTERN ARAPAHOE...EASTERN ADAMS AND EXTREME SOUTHWESTTERN
WASHINGTON COUNTIES OF COLORADO INCLUDING THE TOWNS OF
BYERS...COUNTRY GARDENS...DEER TRAIL...JOLLY RANCH...LAST
CHANCE...SHAMROCK AND STRASBURG
SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAIN AND
FREQUENT DANGEROUS LIG HTNING FROM THIS STORM UNTIL 515 PM MDT THIS
AFTERNOON.
GARD...WSFO DENVER
LAT...LON 3964 10347 3947 10419 3969 10440 4001 10374Special weather statement, May 12, 4:38 PM MDT, 1 hour 34 minutes before
COZ042>043-122330-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
435 PM MDT FRI MAY 12 1995
...STRONG THUNDERSTORM NEAR GREELEY...
AT 433 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER PIERCE...OR ABOUT 13 MILES NORTH OF GREELEY. THE
STORM WAS MOVING TO THE EAST AT 30 MPH.
ALL PEOPLE IN CENTRAL WELD COUNTY COLORADO INCLUDING THE FOLLOWING
TOWNS...
AULT...BARNESVILLE...BRIGGSDALE...EATON...GALETON...GILL...
GREELEY...KERSEY...LUCERNE...NUNN...PIERCE...PURCELL AND
RIVERSIDE RESERVOIR
SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING UNTIL 530 PM MDT THIS AFTERNOON.
GARD...WSFO DENVER
LAT...LON 4030 10418 4041 10471 4052 10483 4065 10485
4076 10476 4073 10410Special weather statement, May 12, 5:05 PM MDT, 1 hour 7 minutes before
COZ046-130000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
500 PM MDT FRI MAY 12 1995
...STRONG THUNDERSTORMS AROUND LIMON...
AT 500 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS 15 MILES NORTH AND 13 MILES EAST OF LIMON COLORADO.
THESE STORMS WERE MOVING TO THE EAST AT 25 MPH.
ALL PEOPLE IN NORTHERN LINCOLN COUNTY COLORADO INCLUDING THE FOLLOWING
TOWNS...LIMON...SHAW...ARRIBA...GENOA...HUGO AND BOVINA SHOULD BE ALERT
FOR HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAIN AND FREQUENT DANGEROUS
LIGHTNING FROM THESE STORMS UNTIL 600 PM MDT THIS AFTERNOON.
GARD...WSFO DENVER
LAT...LON 4030 10418 4041 10471 4052 10483 4065 10485
4076 10476 4073 10410Special weather statement, May 12, 5:18 PM MDT, 54 minutes before
COZ042-043-044-130015
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
515 PM MDT FRI MAY 12 1995
...STRONG THUNDERSTORMS NEAR GREELEY...
AT 510 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS NEAR BRACEWELL COLORADO...6 MILES WEST OF GREELEY AND
NEAR CORNISH COLORADO...17 MILES NORTHEAST OF GREELEY. THESE
STORMS WERE MOVING TO THE EAST AT 25 TO 30 MPH.
ALL PEOPLE IN CENTRAL WELD COUNTY AND NORTHEASTERN MORGAN
COUNTIES OF COLORADO INCLUDING THE FOLLOWING TOWNS...
AULT...BARNESVILLE...BRIGGSDALE...EATON...EVANS...GALETON
...GARDEN CITY...GILL...GOODRICH...GREELEY...JACKSON
RESERVOIR...KEOTA...KERSEY...LA SALLE...LUCERNE...ORCHARD
...PURCELL AND RIVERSIDE RESERVOIR
SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING FROM THESE STORMS UNTIL 615 PM MDT THIS
EVENING.
GARD...WSFO DENVERSpecial weather statement, May 12, 6:02 PM MDT, 10 minutes before
COZ040-042-043-044-045-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 600 PM MDT FRI MAY 12 1995 ...STRONG THUNDERSTORMS NORTHEAST OF DENVER... AT 550 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER CENTRAL AND SOUTHERN WELD...NORTHERN MORGAN...AND CENTRAL ADAMS COUNTIES OF COLORADO AND NEAR DENVER INTERNATIONAL AIRPORT. THE STRONGEST STORM WAS LOCATED NEAR HARDIN COLORADO...12 MILES SOUTHEAST OF GREELEY. ANOTHER STRONG STORM WAS LOCATED NEAR TONVILLE COLORADO...ABOUT 10 MILES NORTH OF DENVER INTERNATIONAL AIRPORT. THESE STORMS WERE MOVING TO THE EAST NORTHEAST AT 25 MPH. ALL PEOPLE IN SOUTHERN AND CENTRAL WELD...MORGAN...AND CENTRAL AND EASTERN ADAMS COUNTIES OF COLORADO SHOULD BE ALERT FOR HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING FROM THESE STORMS UNTIL 700 PM MDT THIS EVENING. GARD...WSFO DENVER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 6:19 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 41 min |
| May 12, 6:43 PM MDT | Tornado Warning | BOU | Arapahoe, Douglas | 32 min |
| May 12, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Washington | 45 min |
| May 12, 7:47 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 43 min |
| May 12, 8:12 PM MDT | Tornado Warning | BOU | Washington | 18 min |
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.