Alert archive / Texas / Flash Flood Warnings in 2026

Flash Flood Warning 21, NWS Amarillo, TX

June 30, 2026Donley County, Texas

NWS Amarillo, TX issued this flash flood warning at Jun 30, 2026, 6:44 PM CDT for Donley County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 30, 2026, 6:44 PM CDT (23:44 UTC)
Expired: Jun 30, 2026, 9:15 PM CDT
In force: 3 hr
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Flood severity: None

County Donley County, TX

The radar

The Amarillo radar (KAMA), 82 km from the middle of the area, began a volume at 23:48 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

Norman, OK (KOUN), launched 12:00Z, 11.7 hours before the alert went out and 322 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: 439 J/kg
Mixed-layer CIN: -283 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

433 
WGUS54 KAMA 302344
FFWAMA
TXC129-010215-
/O.NEW.KAMA.FF.W.0021.260630T2344Z-260701T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
644 PM CDT Tue Jun 30 2026

The National Weather Service in Amarillo has issued a

* Flash Flood Warning for...
  Southwestern Donley County in the panhandle of Texas...

* Until 915 PM CDT.

* At 644 PM CDT, gauge reports indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Gauges reported.

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

* Some locations that will experience flash flooding include...
  Clarendon, Howardwick and Greenbelt Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3475 10107 3493 10106 3504 10092 3501 10069
      3492 10078 3475 10083

FLASH FLOOD...GAUGE INDICATED

$$

Ward

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 7:10 PM CDT	Special Weather Statement	AMA	Wheeler	50 min
Jun 29, 7:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Collingsworth, Wheeler	35 min
Jun 29, 7:35 PM CDT	Special Weather Statement	AMA	Donley	40 min
Jun 29, 8:15 PM CDT	Special Weather Statement	AMA	Collingsworth, Donley	45 min
Jun 29, 9:00 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley	3 hr
Jun 29, 9:04 PM CDT	Special Weather Statement	AMA	Donley	41 min
Jun 29, 9:53 PM CDT	Special Weather Statement	AMA	Donley	37 min
Jun 29, 11:19 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley	3 hr
Jun 29, 11:34 PM CDT	Special Weather Statement	AMA	Collingsworth	41 min
Jun 29, 11:44 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	61 min
Jun 30, 12:24 AM CDT	Areal Flood Advisory	AMA	Collingsworth	95 min
Jun 30, 3:22 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	53 min
Jun 30, 3:53 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	67 min
Jun 30, 4:03 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley	22 min
Jun 30, 4:25 PM CDT	Flash Flood Warning	AMA	Donley	5 hr
Jun 30, 4:28 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	62 min
Jun 30, 5:03 PM CDT	Areal Flood Advisory	AMA	Donley	101 min
Jun 30, 5:22 PM CDT	Special Weather Statement	AMA	Gray	23 min
Jun 30, 5:34 PM CDT	Special Weather Statement	AMA	Donley	56 min
Jun 30, 6:17 PM CDT	Special Weather Statement	AMA	Hansford, Hutchinson	28 min

Nearby

Flash Flood Warnings in Texas, 2026 Every flash flood warning in 2026

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.