Alert archive / Colorado / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 613
The Storm Prediction Center issued this severe thunderstorm watch at Aug 23, 2019, 2:34 PM MDT for 5 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2019, 2:34 PM MDT (20:34 UTC)
- Expired
- Aug 23, 2019, 10:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 44 counties
Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Greeley County, KS, Hamilton County, KS, Morton County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Union County, NM, Beaver County, OK, Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX
The radar
The Goodland radar (KGLD), 115 km from the middle of the area, began a volume at 20:35 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 2:36 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 21 min |
| Aug 23, 3:15 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 45 min |
| Aug 23, 3:23 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 26 min |
| Aug 23, 4:13 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 32 min |
| Aug 23, 4:43 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 32 min |
| Aug 23, 4:48 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 42 min |
| Aug 23, 4:59 PM MDT | Severe Thunderstorm Warning | ABQ | Union | 46 min |
| Aug 23, 5:04 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 26 min |
| Aug 23, 5:05 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 55 min |
| Aug 23, 5:07 PM MDT | Tornado Warning | PUB | Kiowa | 23 min |
| Aug 23, 5:16 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 59 min |
| Aug 23, 5:20 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 40 min |
| Aug 23, 5:24 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 36 min |
| Aug 23, 5:33 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 27 min |
| Aug 23, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 43 min |
| Aug 23, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Pueblo | 35 min |
| Aug 23, 6:01 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 29 min |
| Aug 23, 6:07 PM MDT | Flash Flood Warning | PUB | Bent, Prowers | 3 hr |
| Aug 23, 6:08 PM MDT | Severe Thunderstorm Warning | AMA | Beaver | 52 min |
| Aug 23, 6:12 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 33 min |
| Aug 23, 6:32 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 43 min |
| Aug 23, 6:41 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 4 hr |
| Aug 23, 6:43 PM MDT | Severe Thunderstorm Warning | ABQ | Harding, Union | 47 min |
| Aug 23, 6:55 PM MDT | Severe Thunderstorm Warning | AMA | Beaver | 65 min |
| Aug 23, 7:07 PM MDT | Tornado Warning | AMA | Beaver | 38 min |
| Aug 23, 7:10 PM MDT | Severe Thunderstorm Warning | AMA | Carson, Hartley, Hutchinson, Moore, Oldham, Potter | 65 min |
| Aug 23, 7:13 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 47 min |
| Aug 23, 7:36 PM MDT | Tornado Warning | GLD | Cheyenne | 24 min |
| Aug 23, 7:37 PM MDT | Severe Thunderstorm Warning | ABQ | Harding, Quay, Union | 39 min |
| Aug 23, 7:45 PM MDT | Tornado Warning | AMA | Beaver | 45 min |
| Aug 23, 7:49 PM MDT | Severe Thunderstorm Warning | DDC | Grant, Haskell, Seward, Stevens | 41 min |
| Aug 23, 7:57 PM MDT | Severe Thunderstorm Warning | AMA | Beaver | 78 min |
| Aug 23, 8:14 PM MDT | Flash Flood Warning | AMA | Beaver | 3 hr |
| Aug 23, 8:27 PM MDT | Tornado Warning | AMA | Beaver | 48 min |
| Aug 23, 8:36 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 39 min |
| Aug 23, 9:13 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 32 min |
| Aug 23, 9:13 PM MDT | Severe Thunderstorm Warning | AMA | Beaver | 77 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.6 hours before the alert went out and 117 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
- 39 J/kg
- Mixed-layer CIN
- -299 J/kg
- Mixed-layer LCL
- 3050 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 1:55 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 16 more | 110 min |
| Aug 23, 4:28 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 10 more | 2 hr |
| Aug 23, 2:38 AM MDT | Mesoscale Discussion | SPC | Jewell | 2 hr |
| Aug 23, 5:48 PM MDT | Severe Thunderstorm Watch | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Colorado, 2019Severe Thunderstorm Watches in Texas, 2019Severe Thunderstorm Watches in Kansas, 2019Every severe thunderstorm watch in 2019
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.