Alert archive / Colorado / Flash Flood Warnings in 2020

Flash Flood Warning 1, NWS Pueblo, CO

May 19, 2020Crowley County, Kiowa County, Otero County, Colorado

NWS Pueblo, CO issued this flash flood warning at May 19, 2020, 8:45 PM MDT for Crowley County, Kiowa County, Otero County, Colorado. It was in force for 114 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 19, 2020, 8:45 PM MDT (02:45 UTC)
Expired
May 19, 2020, 10:39 PM MDT
In force
114 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties Crowley County, CO, Kiowa County, CO, Otero County, CO

The radar

The Pueblo radar (KPUX), 59 km from the middle of the area, began a volume at 02:45 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 (KDNR), launched 00:00Z, 2.8 hours before the alert went out and 192 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, Denver, CO at 00:00Z on 2020-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2020-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
14 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
3793 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WGUS55 KPUB 200245
FFWPUB
COC025-061-089-200545-
/O.NEW.KPUB.FF.W.0001.200520T0245Z-200520T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
845 PM MDT Tue May 19 2020

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  North central Otero County in southeastern Colorado...
  Western Kiowa County in southeastern Colorado...
  Southeastern Crowley County in southeastern Colorado...

* Until 1145 PM MDT.

* At 843 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Two to three inches of rain 
  have already fallen. Flash flooding is ongoing or expected to 
  begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Rocky Ford and Sugar City. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3832 10346 3816 10357 3807 10365 3795 10376
      3799 10384 3837 10359

FLASH FLOOD...RADAR INDICATED

$$

mw
2 follow-up statements
649 
WGUS75 KPUB 200325
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
925 PM MDT Tue May 19 2020

COC025-061-089-200545-
/O.CON.KPUB.FF.W.0001.000000T0000Z-200520T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Otero CO-Kiowa CO-Crowley CO-
925 PM MDT Tue May 19 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM MDT FOR
NORTH CENTRAL OTERO...WESTERN KIOWA AND SOUTHEASTERN CROWLEY
COUNTIES...

At 921 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain have moved north of the warned area. Doppler radar estimates 2 
to 4 inches of rain have already fallen, with a COOP Observer in 
Rocky Ford reporting 2.0 inches of rain over the past hour. Flash 
flooding is expected to begin shortly.

Some locations that will experience flooding include...
Rocky Ford and Sugar City. 

This includes the following streams and drainages...
Arkansas River, Horse Creek, Black Draw and Timpas Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3832 10346 3816 10357 3807 10365 3795 10376
      3799 10384 3837 10359

$$

mw
672 
WGUS75 KPUB 200439
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
1039 PM MDT Tue May 19 2020

COC025-061-089-200448-
/O.CAN.KPUB.FF.W.0001.000000T0000Z-200520T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Otero CO-Kiowa CO-Crowley CO-
1039 PM MDT Tue May 19 2020

...THE FLASH FLOOD WARNING FOR NORTH CENTRAL OTERO...WESTERN KIOWA
AND SOUTHEASTERN CROWLEY COUNTIES IS CANCELLED...

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 3832 10346 3816 10357 3807 10365 3795 10376
      3799 10384 3837 10359

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 6:14 PM MDTSevere Thunderstorm WarningPUBCrowley31 min
May 19, 6:45 PM MDTSevere Thunderstorm WarningPUBCrowley45 min
May 19, 6:53 PM MDTTornado Warning Tornado observedPUBCrowley, Kiowa22 min
May 19, 7:02 PM MDTSpecial Weather StatementPUB28 min
May 19, 7:13 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa32 min
May 19, 7:26 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero34 min
May 19, 7:38 PM MDTSpecial Weather StatementPUB52 min
May 19, 7:59 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero46 min
May 19, 8:01 PM MDTSpecial Weather StatementPUBOtero29 min
May 19, 8:05 PM MDTTornado WarningPUBBent, Crowley, Kiowa, Otero25 min
May 19, 8:32 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa, Otero28 min
May 19, 8:34 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero26 min
May 19, 8:40 PM MDTTornado Warning Tornado observedPUBCrowley, Kiowa, Otero22 min
May 19, 9:00 PM MDTSpecial Weather StatementPUBCrowley45 min
May 19, 10:10 PM MDTSpecial Weather StatementPUBTeller35 min
May 20, 2:44 PM MDTFire Weather WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more24 hr

Nearby

Flash Flood Warnings in Colorado, 2020Every flash flood warning 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.