Thanatos Weather
Sunday, Aug 16, 2026 10:42:59

Products in the Last Seven Days
Type Phenomena Count
WarningSevere Thunderstorm1460
AdvisoryAreal Flood609
WarningFlash Flood471
AdvisoryHeat200
WatchSevere Thunderstorm118
WarningTornado110
WatchAreal Flood67
AdvisorySmall Craft51
WarningFire Weather40
AdvisoryDense Fog23
WatchFlash Flood12
AdvisoryDust Storm10
WatchFlood9
WatchFire Weather9
WarningDust Storm7
AdvisoryLake Wind4
WarningGale3
WatchGale2
AdvisoryBlowing Dust2
AdvisoryFlood2
Most Active Forecast Offices
Forecast Office Products
Indianapolis, IN137
Wilmington, OH134
Jackson, KY118
Chicago, IL113
Northern Indiana, IN112
Denver / Boulder, CO106
Phoenix, AZ104
Charleston, WV100
Las Vegas, NV98
Tucson, AZ92
Louisville, KY81
Davenport / Quad Cities, IA73
Morristown / Knoxville, TN71
Lincoln, IL71
Greenville-Spartanburg, SC68
Baltimore / Washington, VA64
Jacksonville, FL61
Cheyenne, WY57
Cleveland, OH56
North Platte, NE56
Product Count by Day
Date Warn Watch Advis.
2026-08-1622 223
2026-08-15171 18103
2026-08-14235 23138
2026-08-13263 36161
2026-08-12354 37124
2026-08-11521 45169
2026-08-10375 4198
2026-08-09179 2376
2026-08-082 37
Particularly Dangerous Situations
Product Forecast Office
Flash Flood Warning 0045Indianapolis, IN
Flash Flood Warning 0047Indianapolis, IN
Flash Flood Warning 0055Jackson, KY
Flash Flood Warning 0066Wilmington, OH
Flash Flood Warning 0067Wilmington, OH
Tornado Warning 0077Davenport / Quad Cities, IA
Flash Flood Warning 0123Charleston, WV
Home
Return to list
Flash Flood Warning 0021
Issued by the Las Vegas Forecast Office

Action Issued Starts Expiration
New 2026-08-11 20:47:29 2026-08-11 20:46:00 2026-08-11 23:45:00
Continued 2026-08-11 22:18:03 2026-08-11 23:45:00
Expired 2026-08-11 23:41:36 2026-08-11 23:45:00


Action: New
Issued At: 2026-08-11 20:47:29

009 
WGUS55 KVEF 120146
FFWVEF
CAC071-120445-
/O.NEW.KVEF.FF.W.0021.260812T0146Z-260812T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
646 PM PDT Tue Aug 11 2026

The National Weather Service in Las Vegas has issued a

* Flash Flood Warning for...
  San Bernardino County in southern California...

* Until 945 PM PDT.

* At 646 PM PDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 1.5 inches of rain
  have fallen. Additional rainfall amounts of 0.5 to 1 inch are
  possible in the warned area. Flash flooding is ongoing or expected
  to begin shortly.

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

  SOURCE...Radar indicated.

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

* Some locations that will experience flash flooding include...
  Cima, Kelso and Mountain Pass.

This includes Interstate 15 in California between mile markers 158
and 175.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.

&&

LAT...LON 3548 11559 3542 11577 3521 11570 3497 11576
      3498 11543 3547 11548

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

JP


Action: Continued
Issued At: 2026-08-11 22:18:03

442 
WGUS75 KVEF 120317
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
817 PM PDT Tue Aug 11 2026

CAC071-120445-
/O.CON.KVEF.FF.W.0021.000000T0000Z-260812T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
817 PM PDT Tue Aug 11 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM PDT THIS
EVENING FOR SAN BERNARDINO COUNTY...

At 817 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 1.5 inches of rain have
fallen. Additional rainfall amounts up to 0.25 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

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

SOURCE...Radar indicated.

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

Some locations that will experience flash flooding include...
  Cima, Kelso and Mountain Pass.

This includes Interstate 15 in California between mile markers 158
and 175.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont 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.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.

&&

LAT...LON 3548 11559 3542 11577 3521 11570 3497 11576
      3498 11543 3547 11548

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

JP


Action: Expired
Issued At: 2026-08-11 23:41:36

394 
WGUS75 KVEF 120441
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
941 PM PDT Tue Aug 11 2026

CAC071-120451-
/O.EXP.KVEF.FF.W.0021.000000T0000Z-260812T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
941 PM PDT Tue Aug 11 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM PDT THIS EVENING FOR SAN
BERNARDINO COUNTY...

The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.

&&

LAT...LON 3548 11559 3542 11577 3521 11570 3497 11576
      3498 11543 3547 11548

$$

JP



Page Loaded at: 2026-08-16 10:42:59 -- Client Address: 216.73.217.42 -- Refresh Time: seconds