Alert archive / Arizona / Flash Flood Warnings in 1995

Flash Flood Warning 3, NWS Tucson, AZ

September 28, 1995Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Sep 28, 1995, 1:31 AM MST for Pima County, Arizona. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
Sep 28, 1995, 1:31 AM MST (08:31 UTC)
Expired
Sep 28, 1995, 3:30 AM MST
In force
119 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 8.5 hours before the alert went out and 84 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, Tuscon, AZ at 00:00Z on 1995-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 923 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 1995-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
923 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
2346 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUS 280833
FFWTUS
AZC019-281030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
131 AM MST THU SEP 28 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 AM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...EASTERN PIMA COUNTY INCLUDING THE TUCSON METRO AREA...
 
VERY HEAVY THUNDERSTORMS ARE MOVING THROUGH THE TUCSON METRO AREA WITH
ALMOST ONE INCH OF RAIN FALLEN AT THE TUCSON INTERNATIONAL AIRPORT IN
THE LAST HALF HOUR. THUNDERSTORMS WILL CONTINUE IN THE AREA FOR THE NEXT
HOUR.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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.

In the hours before

Special weather statement, Sep 27, 11:09 PM MST, 2 hours 22 minutes before
AZZ007-009-010-280810-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1109 PM MST WED SEP 27 1995

...STRONG THUNDERSTORMS DEVELOPING IN NORTHERN MEXICO...

AT 1110 PM MST TUCSON DOPPLER RADAR INDICATES STRONG THUNDERSTORMS
DEVELOPING IN MEXICO FROM THE MEXICAN BORDER JUST SOUTH OF SELLS
EXTENDING SOUTHEAST TO 30 MILES SOUTH OF NOGALES.

THE THUNDERSTORMS ARE MOVING NORTH AT 20 TO 25 MPH AND ARE
INCREASING IN BOTH AREAL COVERAGE AND INTENSITY. THE THUNDERSTORMS
SHOULD MOVE INTO THE SELLS AND NOGALES AREAS WITHIN THE NEXT HOUR.

PERSONS IN SOUTHEAST ARIZONA SHOULD BE ALERT TO THESE THUNDERSTORMS
AS THEY MOVE THROUGH THE AREA TONIGHT. SOME OF THESE STORMS MAY CONTAIN
SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF
RAIN.

HOLBROOK

WTPN32PGTW
Special weather statement, Sep 27, 11:12 PM MST, 2 hours 19 minutes before
AZZ007-009-010-280810-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1109 PM MST WED SEP 27 1995

...STRONG THUNDERSTORMS DEVELOPING IN NORTHERN MEXICO...

AT 1110 PM MST TUCSON DOPPLER RADAR INDICATES STRONG THUNDERSTORMS
DEVELOPING IN MEXICO FROM THE MEXICAN BORDER JUST SOUTH OF SELLS
EXTENDING SOUTHEAST TO 30 MILES SOUTH OF NOGALES.

THE THUNDERSTORMS ARE MOVING NORTH AT 20 TO 25 MPH AND ARE
INCREASING IN BOTH AREAL COVERAGE AND INTENSITY. THE THUNDERSTORMS
SHOULD MOVE INTO THE SELLS AND NOGALES AREAS WITHIN THE NEXT HOUR.

PERSONS IN SOUTHEAST ARIZONA SHOULD BE ALERT TO THESE THUNDERSTORMS
AS THEY MOVE THROUGH THE AREA TONIGHT. SOME OF THESE STORMS MAY CONTAIN
SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF
RAIN.

HOLBROOK

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 27, 5:10 PM MSTSevere Thunderstorm WarningTWCCochise, Pima65 min
Sep 27, 11:41 PM MSTSevere Thunderstorm WarningTWCPima49 min
Sep 28, 12:01 AM MSTTornado WarningTWCPima29 min
Sep 28, 12:17 AM MSTSevere Thunderstorm WarningTWCPima43 min
Sep 28, 12:32 AM MSTSevere Thunderstorm WarningTWCPima43 min
Sep 28, 12:52 AM MSTSevere Thunderstorm WarningTWCCochise68 min
Sep 28, 1:00 AM MSTSevere Thunderstorm WarningTWCPima60 min
Sep 28, 1:55 AM MSTSevere Thunderstorm WarningTWCPima50 min
Sep 28, 2:44 AM MSTSevere Thunderstorm WarningTWCCochise46 min
Sep 28, 3:31 AM MSTFlash Flood WarningTWCPima, Santa Cruz119 min
Sep 28, 4:41 AM MSTSevere Thunderstorm WarningTWCCochise, Pima64 min
Sep 28, 6:15 AM MSTSevere Thunderstorm WarningTWCGraham2 hr
Sep 28, 7:25 AM MSTSevere Thunderstorm WarningTWCGraham50 min

Nearby

Flash Flood Warnings in Arizona, 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.