Alert archive / Colorado / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 63, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at Jul 2, 1999, 5:28 PM MDT for Baca County, Colorado. It was in force for 62 min. 4 reports 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
- Jul 2, 1999, 5:28 PM MDT (23:28 UTC)
- Expired
- Jul 2, 1999, 6:30 PM MDT
- In force
- 62 min
- Issued by
- NWS Pueblo, CO
- Area
- Whole counties
County Baca County, CO
The radar
The Pueblo radar (KPUX), 191 km from the middle of the area, began a volume at 23:27 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 |
|---|---|---|---|
| Jul 2, 5:45 PM MDT | Hail 1 | Pritchett, CO | |
| Jul 2, 6:00 PM MDT | Hail 0.75 | Pritchett, CO | |
| Jul 2, 6:21 PM MDT | Hail 0.75 | Pritchett, CO | |
| Jul 2, 6:39 PM MDT | Hail 1 | Pritchett, 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 |
|---|---|---|---|
| Jul 2, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 11.5 hours before the alert went out and 240 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
- 3907 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 314 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPUB 022325 RRA SVRPUB COC009-030030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PUEBLO CO 528 PM MDT FRI JUL 2 1999 THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BACA COUNTY IN SOUTHEASTERN COLORADO * UNTIL 630 PM MDT * AT 525 PM MDT...RADAR SHOWED A SEVERE STORM 10 MILES WEST OF PRITCHETT OR 22 MILES WEST OF SPRINGFIELD MOVING NORTHEAST AT 30 MPH. SOME LOCATIONS AFFECTED WILL BE PRITCHETT AND OPEN COUNTRY OF NORTHWEST BACA COUNTY BY 555 PM MDT. AT THIS TIME...THE MOST LIKELY SEVERE WEATHER WITH THIS STORM IS LARGE HAIL AND DAMAGING WINDS. IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO SAFETY IN A SMALLb INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE STORMS CAN PRODUCE TORNADOES WITH LITTLE WARNING.
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 2, 12:07 PM MDT, 5 hours 21 minutes before
COZ058>081-021930- SIGNIFICANT WEATHER OUTLOOK FOR SOUTHEAST AND SOUTH CENTRAL COLORADO NATIONAL WEATHER SERVICE PUEBLO CO 1207 PM MDT FRI JUL 2 1999 .THE SIGNIFICANT WEATHER OUTLOOK FOR SOUTHEAST AND SOUTH CENTRAL COLORADO... ...SPOTTER ACTIVATION WILL NOT BE NECESSARY TODAY... ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING OVER THE MOUNTAINS AND EASTERN PLAINS. HOWEVER...SOUTHWESTERLY WINDS AT THE SURFACE AND ALOFT WILL CAUSE WIND PROFILES TO BE LESS FAVORABLE FOR PRODUCING STRONG THUNDERSTORMS. HOWEVER...WITH DRIER AIR AT THE LOW LEVELS...A FEW THUNDERSTORMS MAY PRODUCE GUSTY WINDS TO 50 MPH...FREQUENT LIGHTNING AND BRIEF PERIODS OF SMALL HAIL.
Special weather statement, Jul 2, 12:07 PM MDT, 5 hours 21 minutes before
COZ058>081-021930- SIGNIFICANT WEATHER OUTLOOK FOR SOUTHEAST AND SOUTH CENTRAL COLORADO NATIONAL WEATHER SERVICE PUEBLO CO 1207 PM MDT FRI JUL 2 1999 .THE SIGNIFICANT WEATHER OUTLOOK FOR SOUTHEAST AND SOUTH CENTRAL COLORADO... ...SPOTTER ACTIVATION WILL NOT BE NECESSARY TODAY... ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING OVER THE MOUNTAINS AND EASTERN PLAINS. HOWEVER...SOUTHWESTERLY WINDS AT THE SURFACE AND ALOFT WILL CAUSE WIND PROFILES TO BE LESS FAVORABLE FOR PRODUCING STRONG THUNDERSTORMS. HOWEVER...WITH DRIER AIR AT THE LOW LEVELS...A FEW THUNDERSTORMS MAY PRODUCE GUSTY WINDS TO 50 MPH...FREQUENT LIGHTNING AND BRIEF PERIODS OF SMALL HAIL.
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 6:42 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 48 min |
| Jul 2, 2:42 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 63 min |
| Jul 2, 4:41 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 59 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.