Alert archive / Colorado / Tornado Warnings in 2020

Tornado Warning 4, NWS Pueblo, CO

May 21, 2020Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at May 21, 2020, 3:48 PM MDT for Prowers County, Colorado. It was in force for 27 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, 3:48 PM MDT (21:48 UTC)
Expired: May 21, 2020, 4:15 PM MDT
In force: 27 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Tornado: Observed
Hail: 1.5 in

County Prowers County, CO

The radar

The Goodland radar (KGLD), 166 km from the middle of the area, began a volume at 21:51 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, 9.8 hours before the alert went out and 210 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

137 
WFUS55 KPUB 212148
TORPUB
COC099-212215-
/O.NEW.KPUB.TO.W.0004.200521T2148Z-200521T2215Z/

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

The National Weather Service in Pueblo has issued a

* Tornado Warning for...
  East central Prowers County in southeastern Colorado...

* Until 415 PM MDT.

* At 347 PM MDT, a confirmed tornado was located 10 miles south of
  Granada, or 18 miles southwest of Coolidge, moving northeast at 15 
  mph. This is a landspout tornado reported by storm chasers. 

  HAZARD...Damaging tornado and ping pong ball 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
  east central 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 3786 10232 3790 10238 3809 10226 3803 10215
TIME...MOT...LOC 2147Z 218DEG 14KT 3792 10231 

TORNADO...OBSERVED
HAIL...1.50IN

$$

KTS

3 follow-up statements

642 
WWUS55 KPUB 212157
SVSPUB

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

COC099-212215-
/O.CON.KPUB.TO.W.0004.000000T0000Z-200521T2215Z/
Prowers CO-
357 PM MDT Thu May 21 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR EAST
CENTRAL PROWERS COUNTY...
    
At 356 PM MDT, a confirmed tornado was located near Granada, or 12 
miles west of Coolidge, moving northeast at 30 mph. Storm spotters 
have confirmed a tornado southwest of Holly.

HAZARD...Damaging tornado and ping pong ball 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
east central 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 3790 10228 3794 10236 3809 10226 3803 10215
TIME...MOT...LOC 2156Z 218DEG 25KT 3799 10224 

TORNADO...OBSERVED
HAIL...1.50IN

$$

KTS

205 
WWUS55 KPUB 212207
SVSPUB

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

COC099-212215-
/O.CON.KPUB.TO.W.0004.000000T0000Z-200521T2215Z/
Prowers CO-
407 PM MDT Thu May 21 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR EAST
CENTRAL PROWERS COUNTY...
    
At 406 PM MDT, a confirmed tornado was located 7 miles southeast of 
Granada, or 12 miles west of Coolidge, moving northeast at 5 mph. 
Rotation strengthens and weakens, but there was a confirmed tornado, 
and with the latest scan, the rotation has tightend again.

HAZARD...TORNADO and ping pong ball size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This tornadic thunderstorm will remain over mainly rural areas of
east central 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 3793 10225 3796 10228 3807 10222 3803 10215
TIME...MOT...LOC 2206Z 221DEG 6KT 3798 10223 

TORNADO...OBSERVED
HAIL...1.50IN

$$

KTS

268 
WWUS55 KPUB 212214
SVSPUB

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

COC099-212224-
/O.EXP.KPUB.TO.W.0004.000000T0000Z-200521T2215Z/
Prowers CO-
414 PM MDT Thu May 21 2020

...THE TORNADO WARNING FOR EAST CENTRAL PROWERS COUNTY WILL EXPIRE AT
415 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for 
parts of Prowers County.

LAT...LON 3793 10225 3796 10228 3807 10222 3803 10215
TIME...MOT...LOC 2214Z 218DEG 14KT 3800 10221 

$$

KTS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 2:57 PM MDT	Fire Weather Watch	PUB	Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more	24 hr
May 21, 2:57 PM MDT	Red Flag Warning	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more	30 hr
May 21, 3:03 PM MDT	Special Weather Statement	PUB	Prowers	27 min
May 21, 3:30 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	30 min
May 21, 3:59 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	31 min
May 21, 4:18 PM MDT	Tornado Warning	PUB	Prowers	27 min
May 21, 4:30 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	30 min
May 21, 4:32 PM MDT	Tornado Warning Tornado observed	PUB	Prowers	13 min
May 21, 4:34 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	26 min
May 21, 4:49 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	26 min
May 21, 5:14 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	14 min

Nearby

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