Alert archive / Colorado / Flash Flood Warnings in 2018
Flash Flood Warning 45, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 15, 2018, 4:01 PM MDT for Costilla County, Huerfano County, Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 15, 2018, 4:01 PM MDT (22:01 UTC)
- Expired
- Aug 15, 2018, 7:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Costilla County, CO, Huerfano County, CO
The radar
The Pueblo radar (KPUX), 122 km from the middle of the area, began a volume at 21:59 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, 10.0 hours before the alert went out and 297 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
- 135 J/kg
- Mixed-layer CIN
- -241 J/kg
- Mixed-layer LCL
- 2352 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
107 WGUS55 KPUB 152201 FFWPUB COC023-055-160100- /O.NEW.KPUB.FF.W.0045.180815T2201Z-180816T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Pueblo CO 401 PM MDT WED AUG 15 2018 The National Weather Service in Pueblo has issued a * Flash Flood Warning for... West central Huerfano County in southeastern Colorado... Northeastern Costilla County in south central Colorado... * Until 700 PM MDT. * At 400 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is expected to begin shortly. Radar indicated 0.3 to 0.6 inches of rain has fallen over the north side of the Spring burn scar. * Some locations that will experience flooding include... the Spring burn scar mainly along and north of highway 160. LAT...LON 3772 10494 3752 10501 3749 10530 3771 10527 $$ Hodanish
3 follow-up statements
598 WGUS75 KPUB 152233 FFSPUB Flash Flood Statement National Weather Service Pueblo CO 433 PM MDT WED AUG 15 2018 COC023-055-160100- /O.CON.KPUB.FF.W.0045.000000T0000Z-180816T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Huerfano CO-Costilla CO- 433 PM MDT WED AUG 15 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MDT FOR WEST CENTRAL HUERFANO AND NORTHEASTERN COSTILLA COUNTIES... At 428 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to one inch of rain has already fallen with the heavier rain falling across the northeast portions of the burn scar. Flash flooding is expected to continue. Excessive rainfall over the Spring burn scar will result in debris flow moving through the Yellowstone Creek, Dog Springs Arroyo and North and South Abeyta Creeks. The debris flow can consist of rock, mud, vegetation and other loose materials. Some locations that will experience flooding include... La Veta and La Veta Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. && LAT...LON 3772 10494 3752 10501 3749 10530 3771 10527 $$ KT
235 WGUS75 KPUB 160021 FFSPUB Flash Flood Statement National Weather Service Pueblo CO 621 PM MDT WED AUG 15 2018 COC023-055-160100- /O.CON.KPUB.FF.W.0045.000000T0000Z-180816T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Huerfano CO-Costilla CO- 621 PM MDT WED AUG 15 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MDT FOR WEST CENTRAL HUERFANO AND NORTHEASTERN COSTILLA COUNTIES... At 617 PM MDT, Pueblo Doppler radar indicated thunderstorms had produced heavy rainfall across the Spring Burn Scar earlier this evening. Thunderstorms have since moved east of the area, however radar estimated up to one inch of rain has fallen over the north side of the burn scar. Flash flooding is expected to continue until the water has a chance to recede. Excessive rainfall over the burn scar will result in debris flow moving through the Yellowstone Creek, Dog Springs Arroyo and the North and South Abeyta Creeks. The debris flow can consist of rock, mud, vegetation and other loose materials. Some locations that will experience flooding include... Northern portions of the Spring Burn Scar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. && LAT...LON 3772 10494 3752 10501 3749 10530 3771 10527 $$ KT
453 WGUS75 KPUB 160056 FFSPUB Flash Flood Statement National Weather Service Pueblo CO 656 PM MDT WED AUG 15 2018 COC023-055-160106- /O.EXP.KPUB.FF.W.0045.000000T0000Z-180816T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Huerfano CO-Costilla CO- 656 PM MDT WED AUG 15 2018 ...THE FLASH FLOOD WARNING FOR WEST CENTRAL HUERFANO AND NORTHEASTERN COSTILLA COUNTIES WILL EXPIRE AT 700 PM MDT... The heavy rain has ended. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3772 10494 3752 10501 3749 10530 3771 10527 $$ KT
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 6:25 PM MDT | Special Weather Statement | PUB | Huerfano | 35 min |
| Aug 14, 6:29 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 14, 7:00 PM MDT | Special Weather Statement | PUB | Huerfano | 30 min |
| Aug 14, 7:03 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 27 min |
| Aug 14, 7:31 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 29 min |
| Aug 14, 7:40 PM MDT | Special Weather Statement | PUB | El Paso | 35 min |
| Aug 14, 8:01 PM MDT | Special Weather Statement | PUB | Huerfano | 44 min |
| Aug 14, 9:01 PM MDT | Areal Flood Advisory | PUB | El Paso, Teller | 67 min |
| Aug 14, 9:05 PM MDT | Special Weather Statement | PUB | Teller | 25 min |
| Aug 14, 9:09 PM MDT | Areal Flood Advisory | PUB | El Paso | 83 min |
| Aug 14, 9:14 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 31 min |
| Aug 14, 9:29 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 61 min |
| Aug 14, 10:04 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Pueblo | 41 min |
| Aug 14, 11:22 PM MDT | Special Weather Statement | PUB | Teller | 23 min |
| Aug 14, 11:48 PM MDT | Special Weather Statement | PUB | Teller | 42 min |
| Aug 15, 1:44 PM MDT | Special Weather Statement | PUB | Las Animas | 46 min |
| Aug 15, 1:52 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 38 min |
| Aug 15, 4:09 PM MDT | Flash Flood Warning | PUB | Custer, Fremont, Pueblo | 3 hr |
| Aug 15, 5:16 PM MDT | Special Weather Statement | PUB | El Paso | 29 min |
| Aug 15, 5:19 PM MDT | Special Weather Statement | PUB | 41 min | |
| Aug 15, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 38 min |
| Aug 15, 5:47 PM MDT | Special Weather Statement | PUB | Bent | 28 min |
Nearby
Flash Flood Warnings in Colorado, 2018Every flash flood warning in 2018
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.