Alert archive / Nevada / Flash Flood Warnings in 1995
Flash Flood Warning 4, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 12, 1995, 5:34 PM PDT for Clark County, Nevada. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1995, 5:34 PM PDT (00:34 UTC)
- Expired
- Aug 12, 1995, 6:30 PM PDT
- In force
- 56 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Clark County, NV
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 0.6 hours before the alert went out and 99 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
- 6 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 3390 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 14 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 130036 FFWLAS AZC015-NVC003-130130- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 534 PM PDT SAT AUG 12 1995 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 630 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN NORTHWEST ARIZONA ...EXTREME WEST CENTRAL MOHAVE COUNTY IN SOUTH NEVADA ...EXTREME EAST CENTRAL CLARK COUNTY INCLUDING THE LAKE MEAD RECREATION AREA... AT 530 PM LAS VEGAS DOPPLER RADAR CONTINUED TO SHOW VERY STRONG THUNDERSTORMS OVER EXTREME EAST CENTRAL CLARK COUNTY OVER THE LAKE MEAD RECREATION AREA MOVING INTO EXTREME WEST CENTRAL MOHAVE COUNTY ARIZONA. THE STRONGEST THUNDERSTORMS WERE LOCATED IN THE WILLOW BEACH AREA AND 5 MILES NORTHEAST OF NELSON. AUTOMATED RAIN GAGES AND RADAR RAINFALL ESTIMATES INDICATE RAINFALL AMOUNTS OF THREE-QUARTERS OF AN INCH TO ONE INCH OVER THE PAST HOUR IN THE WILLOW BEACH AREA. THE THUNDERSTORMS WERE MOVING TO THE EAST-NORTHEAST AT 25 MPH. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SjHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. KOSIER
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 Aug 12, 8:19 AM PDT, 9 hours 15 minutes earlier.
Area forecast discussion, Aug 12, 8:19 AM PDT, 9 hours 15 minutes before
T-STORM COMPLEX OVER ARIZONA OVERNIGHT ALONG WITH SE LOW LVL WINDS ALLOWED FOR MOISTURE TO CREEP INTO SRN NV WITH RAPID INCREASE IN DEW POINTS THIS MORNING. MDLS PROBABLY NOT MUCH HELP IN SHORT TERM AS DID NOT REALLY PICK UP ON THIS. BOUDARY OF DRIER AIR VERY CLOSE HOWEVER AS NOTED BY DRA DEWPOINT STILL IN MID 30S. BASED ON CURRENT TRENDS...WOULD LIKE TO MENTION ISOLD TRW- AT LEAST FOR THE LAKE MEAD AREA BUT LEAVE OUT FOR THE OTHER AREAS AT LEAST FOR NOW. MODIFIED SOUNDING FOR DRA GIVES AN LI OF -7 AND CAPE OF 2500. THIS PROBABLY EXTREME BUT WITH INCREASE IN MOISTURE WONT TAKE MUCH TO SET OFF SOME T-STORMS. AS FOR SUNDAY...MDLS AGREE ON SWINGING TROUGH THROUGH THE NRN ROCKIES WITH FLOW SHIFTING TO WESTERLY SHOULD BRING IN DRIER AIR. WOULD LIKE TO MAKE A FEW MINOR CHGS IN TODAYS FCST FOR ABV MENTIONED. KOSIER LAS 106/82/107 000 LAUGHLIN 117/85/117 DRA 100/75/101 000 TPH 090/52/091 000 .VEF...NONE.
In the hours before
Special weather statement, Aug 12, 12:10 PM PDT, 5 hours 24 minutes before
NVZ008-009-122200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1210 PM PDT SAT AUG 12 1995 ...THUNDERSTORMS DEVELOPING OVER SOUTHERN NEVADA... AT 1155 AM...DOPPLER RADAR SHOWED SCATTERER SHOWERS AND THUNDERSTORMS DEVELOPING OVER SOUTHERN NEVADA. THE STRONGEST THUNDERSTORMS WERE LOCATED ABOUT 10 MILES TO THE SOUTHEAST OF HENDERSON AND WERE MOVING TO THE NORTHEAST ABOUT 15 TO 20 MPH. THE THUNDERSTORMS WILL LIKELY PASS BETWEEN HENDERSON AND BOULDER CITY AND MOVE INTO THE LAKE MEAD RECREATION AREA BETWEEN 1230 AND 1 PM. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE AFTERNOON AFFECTING MAINLY THE EASTERN PART OF CLARK AND LINCOLN COUNTIES. BOATERS ON LAKE MEAD AND MOHAVE ARE URGED TO MONITOR THE WEATHER CONDITIONS AND MOVE TO SAFE PORT IF THUNDERSTORMS THREATEN. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...FREQUENT LIGHTNING...AND WIND GUSTS TO 45 MPH AS THEY MOVE OVER THE AREA. STAY TUNED TO THE NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION STATIONS FOR FURTHER STATEMENTS. KOSIER
Special weather statement, Aug 12, 12:11 PM PDT, 5 hours 23 minutes before
NVZ008-009-122200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1210 PM PDT SAT AUG 12 1995 ...THUNDERSTORMS DEVELOPING OVER SOUTHERN NEVADA... AT 1155 AM...DOPPLER RADAR SHOWED SCATTERER SHOWERS AND THUNDERSTORMS DEVELOPING OVER SOUTHERN NEVADA. THE STRONGEST THUNDERSTORMS WERE LOCATED ABOUT 10 MILES TO THE SOUTHEAST OF HENDERSON AND WERE MOVING TO THE NORTHEAST ABOUT 15 TO 20 MPH. THE THUNDERSTORMS WILL LIKELY PASS BETWEEN HENDERSON AND BOULDER CITY AND MOVE INTO THE LAKE MEAD RECREATION AREA BETWEEN 1230 AND 1 PM. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE AFTERNOON AFFECTING MAINLY THE EASTERN PART OF CLARK AND LINCOLN COUNTIES. BOATERS ON LAKE MEAD AND MOHAVE ARE URGED TO MONITOR THE WEATHER CONDITIONS AND MOVE TO SAFE PORT IF THUNDERSTORMS THREATEN. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...FREQUENT LIGHTNING...AND WIND GUSTS TO 45 MPH AS THEY MOVE OVER THE AREA . STAY TUNED TO THE NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION STATIONS FOR FURTHER STATEMENTS. KOSIER
Special weather statement, Aug 12, 1:09 PM PDT, 4 hours 25 minutes before
NVZ008-009-122200- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE LAS VEGAS NV 110 PM PDT SAT AUG 12 1995 ...THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHERN NEVADA... AT 1255 PM...DOPPLER RADAR CONTINUED TO SHOW SHOWERS AND SCATTERED STRONG THUNDERSORMS. THE STRONGEST WERE ALONG A LINE THAT EXTENDED FROM NEAR CALLVILLE BAY ON THE WESTERN ARM OF LAKE MEAD SOUTHWEST TO ABOUT 10 MILES SOUTHWEST OF BOULDER CITY TO ABOUT 20 MILES WEST OF SEARCHLIGHT. ANOTHER STRONG THUNDERSTORM WAS LOCATED ALONG I-15 NEAR JEAN. SCATTERED THUNDERSTORMS WERE ALSO DELOPING OVER THE SPRING MOUNTAINS BETWEEN MT. CHARLESTON AND INDIAN SPRINGS. MOVEMENT OF ALL THE THUNDERATOMS WAS TO THE NORTHEAST AT 20TO 25 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN... FREQUENT LIGHTNING...AND WIND GUSTS TO 45 MPH AS THEY MOVE OVER THE AREA. BOATERES ON LAKE MEAD ARE URGED TO MONITOR THE WEATHER CONDITIONS AND MOVE TO A SAFE PORT I^F THUNDERSTORMS MOVE OVER THE AREA. STAY TUNED TO THE NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION STATIONS FOR FURTHER STATEMENTS. KOSIER
Special weather statement, Aug 12, 1:10 PM PDT, 4 hours 24 minutes before
NVZ008-009-122200- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE LAS VEGAS NV 110 PM PDT SAT AUG 12 1995 ...THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHERN NEVADA... AT 1255 PM...DOPPLER RADAR CONTINUED TO SHOW SHOWERS AND SCATTERED STRONG THUNDERSORMS. THE STRONGEST WERE ALONG A LINE THAT EXTENDED FROM NEAR CALLVILLE BAY ON THE WESTERN ARM OF LAKE MEAD SOUTHWEST TO ABOUT 10 MILES SOUTHWEST OF BOULDER CITY TO ABOUT 20 MILES WEST OF SEARCHLIGHT. ANOTHER STRONG THUNDERSTORM WAS LOCATED ALONG I-15 NEAR JEAN. SCATTERED THUNDERSTORMS WERE ALSO DELOPING OVER THE SPRING MOUNTAINS BETWEEN MT. CHARLESTON AND INDIAN SPRINGS. MOVEMENT OF ALL THE THUNDERATOMS WAS TO THE NORTHEAST AT 20TO 25 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN... FREQUENT LIGHTNING...AND WIND GUSTS TO 45 MPH AS THEY MOVE OVER THE AREA. BOATERES ON LAKE MEAD ARE URGED TO MONITOR THE WEATHER CONDITIONS AND MOVE TO A SAFE PORT IF THUNDERSTORMS MOVE OVER THE AREA. STAY TUNED TO THE NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION STATIONS FOR FURTHER STATEMENTS. KOSIER
Nearby
Flash Flood Warnings in Nevada, 1995Every flash flood warning in 1995
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.