Alert archive / Colorado / Special Weather Statements in 2021
Special Weather Statement, NWS Pueblo, CO
NWS Pueblo, CO issued this special weather statement at Jul 22, 2021, 5:21 PM MDT for Alamosa County, Colorado. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2021, 5:21 PM MDT (23:21 UTC)
- Expired
- Jul 22, 2021, 6:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Pueblo, CO
County Alamosa County, CO
The radar
The Pueblo radar (KPUX), 165 km from the middle of the area, began a volume at 23:24 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
Grand Junction, CO (KGJT), launched 12:00Z, 11.4 hours before the alert went out and 267 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1949 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
142 WWUS85 KPUB 222321 SPSPUB Special Weather Statement National Weather Service Pueblo CO 521 PM MDT Thu Jul 22 2021 COZ069-070-072-230000- Alamosa Vicinity/Central San Luis Valley Below 8500 Ft CO- Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft CO- Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft CO- 521 PM MDT Thu Jul 22 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN ALAMOSA AND SOUTHEASTERN SAGUACHE COUNTIES UNTIL 600 PM MDT... At 521 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from near Moffat to near San Luis Lake. Movement was southwest at 15 mph. Half inch hail and wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Moffat, Hooper, Mosca, and San Luis Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3801 10612 3752 10588 3765 10555 3805 10583 TIME...MOT...LOC 2321Z 057DEG 15KT 3798 10586 3770 10566 $$ KT
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 6:19 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 21, 6:51 PM MDT | Special Weather Statement | PUB | Conejos | 39 min |
| Jul 21, 6:59 PM MDT | Special Weather Statement | PUB | Costilla | 46 min |
| Jul 21, 7:00 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 22, 2:42 AM MDT | Flood Watch | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 6 min |
| Jul 22, 2:54 AM MDT | Flash Flood Watch | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 18 hr |
| Jul 22, 1:43 PM MDT | Special Weather Statement | PUB | Rio Grande | 62 min |
| Jul 22, 2:59 PM MDT | Special Weather Statement | PUB | Saguache | 46 min |
| Jul 22, 3:30 PM MDT | Special Weather Statement | PUB | Mineral | 60 min |
| Jul 22, 3:46 PM MDT | Flash Flood Warning | PUB | Costilla | 3 hr |
| Jul 22, 3:51 PM MDT | Special Weather Statement | PUB | Saguache | 54 min |
| Jul 22, 3:55 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 35 min |
| Jul 22, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 19 min |
| Jul 22, 4:29 PM MDT | Flash Flood Warning | PUB | Fremont, Saguache | 3 hr |
| Jul 22, 4:44 PM MDT | Special Weather Statement | PUB | Custer | 46 min |
| Jul 22, 4:58 PM MDT | Special Weather Statement | PUB | Saguache | 32 min |
| Jul 22, 5:06 PM MDT | Flash Flood Warning | PUB | Las Animas | 3 hr |
| Jul 22, 5:41 PM MDT | Flash Flood Warning | PUB | Saguache | 3 hr |
| Jul 22, 5:59 PM MDT | Special Weather Statement | PUB | Alamosa | 46 min |
Nearby
Special Weather Statements in Colorado, 2021Every special weather statement in 2021
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.