Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 17, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 15, 1996, 4:26 PM MST for Mohave County, Arizona; Clark County, Nevada. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1996, 4:26 PM MST (23:26 UTC)
- Expired
- Jul 15, 1996, 5:30 PM MST
- In force
- 64 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
Counties Mohave County, AZ, Clark County, NV
The radar
The Las Vegas radar (KESX), 54 km from the middle of the area, began a volume at 23:30 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
Mercury/Desert R, NV (KDRA), launched 12:00Z, 11.4 hours before the alert went out and 162 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2775 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLAS 152329 FFWLAS AZC015-NVC003-160030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 426 PM PDT (426 PM MST) MON JUL 15 1996 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 530 PM PDT (530 PM MST) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST ARIZONA ...WESTERN AND CENTRAL MOHAVE COUNTY IN SOUTHERN NEVADA ...SOUTHERN CLARK COUNTY AT 425 PM PDT/MST...A LINE OF SEVERE THUNDERSTORMS EXTENDED ACROSS THE LAKE MEAD NATIONAL RECREATION AREA INTO EXTREME SOUTHERN CLARK COUNTY NEVADA. LAS VEGAS DOPPLER RADAR INDICATED THE LEADING EDGE OF THE STORMS EXTENDED FROM NEAR CALLVILLE BAY AND COTTONWOOD COVE SOUTHWEST THROUGH SEARCHLIGHT TO NEAR THE CALIFORNIA-NEVADA BORDER AROUND NIPTON CALIFORNIA. THIS LINE OF STORMS WAS MOVING EAST AT 10 TO 15 MPH AND WILL CROSS INTO WESTERN AND CENTRAL SECTIONS OF MOHAVE COUNTY ARIZONA. RESIDENTS OF SEARCHLIGHT...CAL-NEV-ARI...LAUGHLIN...BULLHEAD CITY ...KINGMAN AND RECREATIONAL INTERESTS IN THE LAKE MEAD AND LAKE MOHAVE AREA SHOULD SEEK SHELTER IF THESE STORMS APPROACH.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this flash flood warning went out at Jul 15, 2:25 PM MST, 2 hours 1 minute earlier.
Area forecast discussion, Jul 15, 2:25 PM MST, 2 hours 1 minute before
MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 230 PM PDT MON JUL 15 1996 THUNDERSTORMS BREWING AROUND THE CWA. THE CAPPED ENVIRONMENT THIS MORNING REALLY LET GO. 850 THETA-E ORIENTED SE-NW ACRS MOHAVE AND CLARK REALLY PROVIDED THE UMPH. LAS SOUNDING WITH 20.5 C THETA-W AND SLOW MOVING NATURE ALOFT IS PROVIDING SOME LOCALLY HEAVY PRECIP. THIS THETA-E RDG/MSTR AXIS WKNS AND PULLS EWD TO THE EARN PRTN OF MOHAVE AND CNTRL SRN UT TMW. REMNANT MSTR AROUND SRN NV AND MOHVE COUNTY TO SPAWN WIDELY SCTD SHWRS TMW. AS TROF PULLS INTO WRN US BREEZY CONDS CAN BE EXPECTED IN THE AFTN TUE AND WED AS GRADS TIGHTEN SLIGHTLY. WED MOST OF MSTR AND DYNAMICS PULL E OF CWA MAKING FOR MSTLY SUNNY SKIES. IN THE XTNDD MOST MODELS PAINT PICTURE OF A DRIER COOLER SOUTHWEST FLO. THE EXCEPTION BEING THE AVN WHICH BROADBRUSHES THE NW AZ AND SRN NV WITH SE FLO. I WL GO WITH THE EURO...UK...MRF AND GO DRvY IN THE THROUGHOUT EXTNDD. LAS31-0. CORDERO
In the hours before
Special weather statement, Jul 15, 12:40 PM MST, 3 hours 46 minutes before
NVZ008-009-AZZ003-CAZ014-019-152245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1241 PM PDT (1241 PM MST) MON JUL 15 1996 ...SHOWERS AND THUNDERSTORMS OCCURRING OVER CLARK COUNTY IN NEVADA...MOHAVE COUNTY IN ARIZONA AND SAN BERNANDINO COUNTY IN CALIFORNIA... 1...IN SOUTHERN CALIFORNIA...AT 1235 PM PDT LAS VEGAS WEATHER SERVICE AND EDWARDS AIR FORCE DOPPLER RADAR INDICATED A CLUSTER OF SHOWERS ALONG THE INYO AND SAN BERBARDINO BORDER MOVING NORTH ON CALIFORNIA STATE ROUTE 127. THESE SHOWERS WILL INTENSIFY INTO THUNDERSTORMS THIS EARLY AFTERNOON AS THEY APPROACH THE TOWNS OF TECOPA AND SHOSHONE IN INYO COUNTY. 2...IN MOHAVE COUNTY...SHOWERS AND THUNDERSTORMS HAVE DEVELOPED ALONG THE BILL WILLIAMS RIVER ALONG THE SOUTHERN BORDER OF THE COUNTY. THESE THUNDERSTORMS ARE MOVING VERY SLOWLY TO THE WEST. SOME ADDITIONAL THUNDERSTORMS HAVE BEEN INDICATED ALONG I-40 ABOUT 10 MILES EAST OF KINGMAN. 3...IN SOUTHERN NEVADA...SHOWERS AND THUNDERSTORMS WERE DETECTED ALONG THE SHEEP RANGE NEAR THE LINCOLN/CLARK COUNTY BORDER AND IN PORTIONS OF THE SPRING MOUNTAINS RECREATION AREA IN CLARK COUNTY. THE STRONGEST STORMS DETECTED BY LAS VEGAS DOPPLER RADAR WERE IN LINCOLN COUNTY NEAR CALIENTE. THIS CLUSTER OF THUNDERSTORMS IS SLOWLY MOVING EAST INTO EATSERN WASHINGTON COUNTY IN UTAH. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS SOUTHERN NEVADA...MOHAVE COUNTY IN ARIZONA AND SAN BERNANDINO IN SOUTHERN CALIFORNIA THIS AFTERNOON. ANY OF THE SHOWERS OR THUNDERSTORMS ACROSS SOUTHERN NEVADA ...MOHAVE COUNTY IN ARIZONA OR SAN BERNANDINO WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS TO 50 MPH. FREQUENT LIGHTNING AND BRIEF HEAVY SHOWERS MAY BE ENCOUNTERED WITH THESE STORMS. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ON AREA ROADWAYS BY BLOWING DUST OR SAND EVEN THOUGH THE PARENT SHOWER OR THUNDERSTORM IS MILES AWAY. LISTEN TO THIS STATION FOR FURTHER INFORMATION AND STATEMENTS FROM THE NATIONAL WEATHER SERVICE. CORDERO
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 4:26 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 64 min |
| Jul 15, 1:10 PM MST | Flash Flood Warning | VEF | Clark | 65 min |
| Jul 15, 1:10 PM MST | Severe Thunderstorm Warning | VEF | Clark | 65 min |
| Jul 15, 1:15 PM MST | Flash Flood Warning | VEF | Lincoln | 60 min |
| Jul 15, 1:15 PM MST | Severe Thunderstorm Warning | VEF | Lincoln | 60 min |
| Jul 15, 1:46 PM MST | Flash Flood Warning | VEF | Clark | 59 min |
| Jul 15, 1:46 PM MST | Severe Thunderstorm Warning | VEF | Clark | 59 min |
| Jul 15, 2:13 PM MST | Flash Flood Warning | VEF | Lincoln | 2 hr |
| Jul 15, 2:24 PM MST | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 15, 2:47 PM MST | Flash Flood Warning | VEF | Clark | 58 min |
| Jul 15, 2:47 PM MST | Severe Thunderstorm Warning | VEF | Clark | 58 min |
| Jul 15, 3:31 PM MST | Flash Flood Warning | VEF | Clark | 59 min |
| Jul 15, 3:31 PM MST | Severe Thunderstorm Warning | VEF | Clark | 59 min |
| Jul 15, 4:26 PM MST | Flash Flood Warning | VEF | Lincoln | 2 hr |
Nearby
Flash Flood Warnings in Arizona, 1996Flash Flood Warnings in Nevada, 1996Every flash flood warning in 1996
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.