Alert archive / Colorado / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 30, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at Jun 10, 1999, 3:31 PM MDT for Las Animas County, Colorado. It was in force for 59 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 10, 1999, 3:31 PM MDT (21:31 UTC)
- Expired
- Jun 10, 1999, 4:30 PM MDT
- In force
- 59 min
- Issued by
- NWS Pueblo, CO
- Area
- Whole counties
County Las Animas County, CO
The radar
The Pueblo radar (KPUX), 128 km from the middle of the area, began a volume at 21:35 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 10, 3:50 PM MDT | Hail 1 | Trinchera, CO |
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 10, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 293 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
- 125 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
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 Pueblo, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 2:16 PM MDT, 1 hour 15 minutes earlier.
Area forecast discussion, Jun 10, 2:16 PM MDT, 1 hour 15 minutes before
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Special weather statement, Jun 10, 12:00 PM MDT, 3 hours 31 minutes before
COZ058>081-101930- SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST COLORADO NATIONAL WEATHER SERVICE PUEBLO CO 1200 PM MDT THU JUN 10 1999 ...SPOTTER ACTIVATION MAY BE NECESSARY TODAY... A UPPER LEVEL DISTURBANCE MOVING THROUGH COLORADO THIS AFTERNOON AND EVENING WILL COMBINE WITH A MOIST AIR MASS AND WEAK EASTERLY UPSLOPE FLOW TO GENERATE SCATTERED THUNDERSTORMS. THUNDERSTORMS WILL FORM OVER AND NEAR THE MOUNTAINS EARLY THIS AFTERNOON...THEN MOVE OUT INTO THE PLAINS LATER THIS AFTERNOON...GENERALLY AFTER 3 PM. THE GREATEST AREAL COVERAGE OF THUNDERSTORMS WILL LIKELY BE IN THE PIKES PEAK AND COLORADO SPRINGS AREA LATE THIS AFTERNOON AND EARLY THIS EVENING. STORMS WILL PERSIST WELL INTO THE EVENING OVER THE MOUNTAINS AND ADJACENT AREAS...WHILE THE FAR EASTERN PLAINS MAY SEE THUNDERSTORM ACTIVITY MUCH OF THE NIGHT. LARGE HAIL AND STRONG TO DAMAGING WIND GUSTS WILL BE THE GREATEST THREAT FROM THESE STORMS... WITH BRIEF HEAVY RAINFALL AND FLASH FLOODING A POSSIBILITY AS WELL. THE RISK FOR SEVERE WEATHER IS GENERALLY ALONG AND EAST OF A LINE FROM COLORADO SPRINGS TO PUEBLO TO JUST EAST OF TRINIDAD. A FEW COMMUNITIES IN THE SLIGHT RISK AREA ARE COLORADO SPRINGS...THE PIKES PEAK AREA...PUEBLO...LA JUNTA...LAMAR...AND SPRINGFIELD. THE NATIONAL WEATHER SERVICE IN PUEBLO WOULD APPRECIATE ANY SEVERE WEATHER...FLOODING OR RAINFALL REPORTS FROM ITS SPOTTERS THIS AFTERNOON AND EVENING. PETERSEN
Special weather statement, Jun 10, 12:00 PM MDT, 3 hours 31 minutes before
COZ058>081-101930- SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST COLORADO NATIONAL WEATHER SERVICE PUEBLO CO 1200 PM MDT THU JUN 10 1999 ...SPOTTER ACTIVATION MAY BE NECESSARY TODAY... A UPPER LEVEL DISTURBANCE MOVING THROUGH COLORADO THIS AFTERNOON AND EVENING WILL COMBINE WITH A MOIST AIR MASS AND WEAK EASTERLY UPSLOPE FLOW TO GENERATE SCATTERED THUNDERSTORMS. THUNDERSTORMS WILL FORM OVER AND NEAR THE MOUNTAINS EARLY THIS AFTERNOON...THEN MOVE OUT INTO THE PLAINS LATER THIS AFTERNOON...GENERALLY AFTER 3 PM. THE GREATEST AREAL COVERAGE OF THUNDERSTORMS WILL LIKELY BE IN THE PIKES PEAK AND COLORADO SPRINGS AREA LATE THIS AFTERNOON AND EARLY THIS EVENING. STORMS WILL PERSIST WELL INTO THE EVENING OVER THE MOUNTAINS AND ADJACENT AREAS...WHILE THE FAR EASTERN PLAINS MAY SEE THUNDERSTORM ACTIVITY MUCH OF THE NIGHT. LARGE HAIL AND STRONG TO DAMAGING WIND GUSTS WILL BE THE GREATEST THREAT FROM THESE STORMS... WITH BRIEF HEAVY RAINFALL AND FLASH FLOODING A POSSIBILITY AS WELL. THE RISK FOR SEVERE WEATHER IS GENERALLY ALONG AND EAST OF A LINE FROM COLORADO SPRINGS TO PUEBLO TO JUST EAST OF TRINIDAD. A FEW COMMUNITIES IN THE SLIGHT RISK AREA ARE COLORADO SPRINGS...THE PIKES PEAK AREA...PUEBLO...LA JUNTA...LAMAR...AND SPRINGFIELD. THE NATIONAL WEATHER SERVICE IN PUEBLO WOULD APPRECIATE ANY SEVERE WEATHER...FLOODING OR RAINFALL REPORTS FROM ITS SPOTTERS THIS AFTERNOON AND EVENING. PETERSEN
Local storm report, Jun 10, 3:05 PM MDT, 26 minutes before
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</html>Local storm report, Jun 10, 3:05 PM MDT, 26 minutes before
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</html>The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:38 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 62 min |
| Jun 9, 7:40 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 65 min |
| Jun 10, 2:14 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 61 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1999Every severe thunderstorm warning in 1999
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.