Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Feb 1, 1996, 1:30 PM MST for Cochise County, Arizona. It was in force for 60 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
- Feb 1, 1996, 1:30 PM MST (20:30 UTC)
- Expired
- Feb 1, 1996, 2:30 PM MST
- In force
- 60 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 8.5 hours before the alert went out and 113 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
- 189 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 012030 RRA SVRTUS AZC003-012130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 130 PM MST THU FEB 1 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ARIZONA ...NORTHWESTERN COCHISE COUNTY AT 130 PM MST TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHWEST COCHISE COUNTY...ABOUT 10 MILES NORTH OF I-10 NEAR THE BORDER WITH PIMA COUNTY. MOVEMENT WAS TO THE EAST AT 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 57 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. MEYER
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 1, 1:47 AM MST, 11 hours 43 minutes earlier.
Area forecast discussion, Feb 1, 1:47 AM MST, 11 hours 43 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 200 AM MST THU FEB 1 1996 THINGS STARTING TO COME TOGETHER THIS MORNING AS UPR LVL SYSTEM MOVG INTO AREA. TSTMS TO NORTH PART DEVELOPING IN UVV FIELD AND EXPECT MORE DESTABILIZATION/STRONGER STORMS TONIGHT AS BEST DYNAMICS MOVE IN AREA...POTENTIAL FOR SEVERE WITH LIMITING FACTOR BEING MSTR. AS SYS SWINGS TO SOUTH WE SHOULD TURN INTO COLD RAIN SITUATION...BELIEVE MAX TEMPS WIL0L BE IN 50S AND WILL ADJUST FCST. WITH VORT MAX RUNNING JUST TO SOUTH MAY HAVE TO UPGRADE SNOW ADVISORY FOR SE AZ MTNS BUT INTO WINDY SITUATION. HOLBROOK
In the hours before
Special weather statement, Feb 1, 12:10 PM MST, 1 hour 20 minutes before
AZZ021>026-012130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1210 PM MST THU FEB 1 1996 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHERN ARIZONA... AT 1210 PM MST...TUCSON DOPPLER RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER SOUTHERN ARIZONA. A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE LOCATED OVER WESTERN AND CENTRAL PIMA COUNTY...EXTENDING INTO SOUTHEAST PINAL COUNTY. THESE STORMS WERE MOVING TO THE EAST AT 30 MPH. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE ALSO LOCATED OVER NORTHERN COCHISE COUNTY AND SOUTHERN GRAHAM COUNTY. THESE SHOWERS WERE MOVING TO THE EAST AT 30 MPH. A PERIOD OF HEAVY RAIN...SMALL HAIL...AND ISOLATED WIND GUSTS TO 50 MPH SHOULD BE EXPECTED FROM THESE STORMS. REMEMBER...A HEAVY SNOW WARNING CONTINUES FOR THE WHITE MOUNTAINS FO NORTHERN GREENLEE COUNTY FOR TODAY ABOVE 6000 FEET...WITH A SNOW ADVISORY IN EFFECT TODAY ABOVE 7000 FEET FOR THE REMAINDER OF SOUTHEAST ARIZONA. DRB
Special weather statement, Feb 1, 12:30 PM MST, 1 hour before
AZZ021-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1230 PM MST THU FEB 1 1996 ...STRONG WINDS OVER CENTRAL PIMA COUNTY... AT 1230 PM MST...TUCSON DOPPLER RADAR SHOWED STRONG WINDS BEHIND A LINE OF THUNDERSTORMS IN CENTRAL PIMA COUNTY. WIND SPEED ESTIMATES FROM THE RADAR SHOWED SPEEDS IN THE 40 TO 55 MPH RANGE BEHIND A LINE OF THUNDERSTORMS. THESE STORMS AND STRONG WINDS WILL PASS THROUGH CENTRAL PIMA COUNTY BEFORE 130 PM. THE STRONGEST WINDS WILL MOVE JUST NORTH OF SELLS WITH GUSTS TO 50 MPH. DRB
Special weather statement, Feb 1, 12:33 PM MST, 57 minutes before
AZZ021-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1230 PM MST THU FEB 1 1996 ...STRONG WINDS OVER CENTRAL PIMA COUNTY... AT 1230 PM MST...TUCSON DOPPLER RADAR SHOWED STRONG WINDS BEHIND A LINE OF THUNDERSTORMS IN CENTRAL PIMA COUNTY. WIND SPEED ESTIMATES FROM THE RADAR SHOWED SPEEDS IN THE 40 TO 55 MPH RANGE BEHIND A LINE OF THUNDERSTORMS. THESE STORMS AND STRONG WINDS WILL PASS THROUGH CENTRAL PIMA COUNTY" BEFORE 130 PM. THE STRONGEST WINDS WILL MOVE JUST NORTH OF SELLS WITH GUSTS TO 50 MPH. DRB
Nearby
Severe Thunderstorm Warnings in Arizona, 1996Every severe thunderstorm 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.