Alert archive / Colorado / Tornado Warnings in 2020

Tornado Warning 6, NWS Pueblo, CO

May 21, 2020Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at May 21, 2020, 4:32 PM MDT for Prowers County, Colorado. It was in force for 13 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
May 21, 2020, 4:32 PM MDT (22:32 UTC)
Expired
May 21, 2020, 4:45 PM MDT
In force
13 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Tornado
Observed
Hail
2.75 in

County Prowers County, CO

The radar

The Goodland radar (KGLD), 155 km from the middle of the area, began a volume at 22:35 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.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 10.5 hours before the alert went out and 191 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.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2020-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 275 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2020-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
275 J/kg
Mixed-layer CIN
-409 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

195 
WFUS55 KPUB 212232
TORPUB
COC099-212245-
/O.NEW.KPUB.TO.W.0006.200521T2232Z-200521T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pueblo CO
432 PM MDT Thu May 21 2020

The National Weather Service in Pueblo has issued a

* Tornado Warning for...
  Eastern Prowers County in southeastern Colorado...

* Until 445 PM MDT.

* At 431 PM MDT, a confirmed tornado was located over Coolidge, 
  moving northeast at 25 mph. This polygon widens the warning and 
  will expire at the same time of the other warning.

  HAZARD...Damaging tornado and baseball size hail.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  eastern Prowers County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3797 10205 3800 10213 3806 10205 3805 10204
      3798 10204
TIME...MOT...LOC 2231Z 220DEG 23KT 3802 10205 

TORNADO...OBSERVED
HAIL...2.75IN

$$

KTS
1 follow-up statement
481 
WWUS55 KPUB 212243
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
443 PM MDT Thu May 21 2020

COC099-212253-
/O.EXP.KPUB.TO.W.0006.000000T0000Z-200521T2245Z/
Prowers CO-
443 PM MDT Thu May 21 2020

...THE TORNADO WARNING FOR EASTERN PROWERS COUNTY WILL EXPIRE AT 445
PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

Remember, a Severe Thunderstorm Warning still remains in effect for
eastern Prowers County until 5PM MDT.

LAT...LON 3797 10205 3800 10213 3806 10205 3805 10204
      3798 10204
TIME...MOT...LOC 2243Z 220DEG 23KT 3807 10200 

$$

KTS

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 2:57 PM MDTFire Weather WatchPUBAlamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more24 hr
May 21, 2:57 PM MDTRed Flag WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more30 hr
May 21, 3:03 PM MDTSpecial Weather StatementPUBProwers27 min
May 21, 3:30 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers30 min
May 21, 3:48 PM MDTTornado Warning Tornado observedPUBProwers27 min
May 21, 3:59 PM MDTSevere Thunderstorm WarningPUBProwers31 min
May 21, 4:18 PM MDTTornado WarningPUBProwers27 min
May 21, 4:30 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers30 min
May 21, 4:34 PM MDTSevere Thunderstorm WarningPUBProwers26 min
May 21, 4:49 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers26 min
May 21, 5:14 PM MDTSevere Thunderstorm WarningPUBKiowa14 min

Nearby

Tornado Warnings in Colorado, 2020Every tornado warning in 2020Tornadoes in 2020

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.