Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 3, NWS Hastings, NE

May 16, 2021Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this flash flood warning at May 16, 2021, 8:06 AM CDT for Osborne County, Rooks County, Kansas. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 16, 2021, 8:06 AM CDT (13:06 UTC)
Expired
May 16, 2021, 1:45 PM CDT
In force
6 hr
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Flood severity
None

Counties Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 125 km from the middle of the area, began a volume at 13:09 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 was reported inside it

TimeReportWhereRemark
May 16, 8:55 AM CDTFLASH FLOODNatoma, KSFLASH FLOODING IS ONGOING IN NATOMA, KS. THE SOUTH SIDE OF TOWN IS UNDER WATER FROM PARADISE CREEK. EMERGENCY MANAGEMENT IS ESTIMATING THAT OVER 100 PEOPLE HAVE NOW BEEN DISPLACED. EVACUATIONS AND BOAT RESCUES ARE STILL UNDERWAY.
May 16, 9:44 AM CDTHEAVY RAIN 8.161 Wnw Codell, KSUNOFFICIAL OVERNIGHT RAIN TOTAL FROM PERSONAL WEATHER STATION...VAST MAJORITY OF WHICH FELL BETWEEN 1-4 AM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 1.1 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 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1413 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

794 
WGUS53 KGID 161306
FFWGID
KSC141-163-161845-
/O.NEW.KGID.FF.W.0003.210516T1306Z-210516T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Hastings NE
806 AM CDT Sun May 16 2021

The National Weather Service in Hastings has issued a

* Flash Flood Warning for...
  Southern Osborne County in north central Kansas...
  Southeastern Rooks County in north central Kansas...

* Until 145 PM CDT.

* At 806 AM CDT, Local law enforcement reported flash flooding along 
  Paradise Creek. Between 3 and 6 inches of rain have fallen. 
  Although most of the rain has now ended, runoff from the recent 
  heavy rainfall has resulted in flash flooding of numerous roads 
  and even a few home evacuations within the warned area. Observers 
  are reporting that the flash flooding in and around Natoma is as 
  bad as it was in 1993. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement reported.

  IMPACT...Flash flooding of small creeks and streams, highways,
           streets and underpasses as well as other poor drainage
           and low-lying areas.

* Some locations that will experience flash flooding include...
  Plainville, Natoma and Codell.

This includes the following streams and drainages...
  Covert Creek, Paradise Creek,  Wolf Creek

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 9941 3932 9941 3931 9887 3930 9887
      3930 9849 3926 9849 3925 9849 3924 9849
      3920 9849 3919 9849 3918 9849 3917 9849
      3916 9849 3915 9849 3914 9849

FLASH FLOOD...OBSERVED

$$

Wesely
2 follow-up statements
371 
WGUS73 KGID 161405
FFSGID

Flash Flood Statement
National Weather Service Hastings NE
905 AM CDT Sun May 16 2021

KSC141-163-161845-
/O.CON.KGID.FF.W.0003.000000T0000Z-210516T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osborne KS-Rooks KS-
905 AM CDT Sun May 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM CDT THIS 
AFTERNOON FOR SOUTHERN OSBORNE AND SOUTHEASTERN ROOKS COUNTIES...

At 905 AM CDT, Emergency management reported flash flooding along 
  Paradise Creek. Between 3 and 6 inches of rain have fallen. 
  Although most of the rain has now ended, runoff from the recent 
  heavy rainfall has resulted in flash flooding of numerous roads. 
  The south side of Natoma is under water. Evacuations are underway 
  and over 100 people have been displaced. The flooding being 
  reported in Natoma is currently estimated by local citizens to be 
  similar to the significant floods of 1993. Flash flooding is 
  occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Plainville, Natoma and Codell.

This includes the following streams and drainages...
  Covert Creek, Paradise Creek,  Wolf Creek

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 9941 3932 9941 3931 9887 3930 9887
      3930 9849 3926 9849 3925 9849 3924 9849
      3920 9849 3919 9849 3918 9849 3917 9849
      3916 9849 3915 9849 3914 9849

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Wesely
147 
WGUS73 KGID 161751
FFSGID

Flash Flood Statement
National Weather Service Hastings NE
1251 PM CDT Sun May 16 2021

KSC141-163-161845-
/O.CON.KGID.FF.W.0003.000000T0000Z-210516T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osborne KS-Rooks KS-
1251 PM CDT Sun May 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM CDT THIS 
AFTERNOON FOR SOUTHWESTERN OSBORNE AND SOUTHEASTERN ROOKS COUNTIES...

At 1251 PM CDT, Emergency management reported flash flooding along 
Paradise Creek. Between 3 and 8 inches of rain have fallen within 
the Paradise Creek Basin. Flood waters are now receding in Natoma 
and areas upstream, but flooding will continue in some areas into 
tonight. Numerous roads continue to be impassible. Flash flooding is 
occurring.

HAZARD...Life threatening flash flooding.

SOURCE...Emergency management reported.

IMPACT...Flash flooding of small creeks and streams, highways,
         streets and underpasses as well as other poor drainage
         and low-lying areas.

Some locations that will experience flash flooding include...
  Plainville, Natoma and Codell.

This includes the following streams and drainages...
  Paradise Creek

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 9941 3927 9941 3928 9927 3924 9909
      3920 9892 3914 9887

FLASH FLOOD...OBSERVED

$$

Wesely

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 11:41 PM CDTSpecial Weather StatementGIDRooks34 min
May 15, 11:50 PM CDTSpecial Weather StatementGIDRooks25 min
May 16, 12:34 AM CDTSpecial Weather StatementGIDRooks26 min
May 16, 1:18 AM CDTSpecial Weather StatementGIDRooks27 min
May 16, 3:37 AM CDTAreal Flood AdvisoryGIDOsborne, Rooks3 hr
May 16, 6:47 AM CDTAreal Flood WarningGIDOsborne, Rooks79 min
May 16, 1:54 PM CDTAreal Flood WarningGIDOsborne, Rooks24 hr
May 16, 2:30 PM CDTRiver Flood WarningGIDOsborne, Rooks32 hr
May 16, 5:33 PM CDTRiver Flood WarningGIDOsborne55 hr

Nearby

Flash Flood Warnings in Kansas, 2021Every flash flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.