Alert archive / Arizona / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 5, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 25, 2001, 6:14 PM MST for Cochise County, Arizona. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 25, 2001, 6:14 PM MST (01:14 UTC)
- Expired
- Jun 25, 2001, 6:45 PM MST
- In force
- 31 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 116 km from the middle of the area, began a volume at 01:15 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
Tuscon, AZ (KTUS), launched 00:00Z, 1.2 hours before the alert went out and 153 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
- 16 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 1405 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
098 WUUS55 KTWC 260115 SVRTUS AZC003-260145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 614 PM MST MON JUN 25 2001 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEAST COCHISE COUNTY IN ARIZONA THIS INCLUDES THE CITY OF DOUGLAS * UNTIL 645 PM MST * AT 605 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR DOUGLAS...MOVING NORTH AT 25 MPH. WIND GUSTS TO 65 MPH AND HAIL UP TO ONE INCH IN DIAMETER IS LIKELY. LAT...LON 3133 10963 3133 10941 3165 10932 3168 10959 PYTLAK
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 Jun 25, 2:15 PM MST, 3 hours 59 minutes earlier.
Area forecast discussion, Jun 25, 2:15 PM MST, 3 hours 59 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 215 PM MST MON JUN 25 2001 SYNOPSIS...A SUBTROPICAL DISTURBANCE WEST OF THE BAJA PENINSULA WILL LIFT NORTH ACROSS ARIZONA TONIGHT...BRINGING OCCASIONAL SHOWERS AND A FEW THUNDERSTORMS TO THE AREA TONIGHT. A DRIER SOUTHWEST FLOW ALOFT WILL DEVELOP BEHIND THIS DISTURBANCE BY MIDWEEK...WHICH WILL LIMIT THE THUNDERSTORMS TO THE MOUNTAINS EAST OF TUCSON WEDNESDAY THROUGH FRIDAY. DISCUSSION...AN AREA OF SHOWERS WITH EMBEDDED THUNDERSTORMS HAS DEVELOPED IN DEFORMATION ZONE AHEAD OF BAJA LOW AND MOVING INTO TUCSON METRO AT THIS TIME. SATELLITE PICTURES SHOW CLEARING IN NORTHERN MEXICO WHICH SHOULD CONVECT AGAIN LATER THIS AFTERNOON... FEEDING MOISTURE INTO DEFORMATION AREA AHEAD OF UPPER LOW. THUS...EXPECT OCCASIONAL SHOWERS AND A FEW EMBEDDED THUNDERSTORMS TO REDEVELOP TONIGHT FOLLOWING THIS FIRST INITIAL BAND. AFTER THE TROUGH PASSAGE EARLY TUESDAY MORNING...COULD SEE A FEW STORMS IN THE AFTERNOON AS MOISTURE LINGERS AND ATMOSPHERE DESTABILIZES DUE TO DIURNAL HEATING. THE AVN AND ETA SHOW CONSIDERABLE DIFFERENCES IN THE AMOUNT OF LOW LEVEL MOISTURE THAT REMAINS OVER THE AREA MID WEEK. SINCE THE ETA HAD A BETTER INITIALIZATION BASED ON THE GOES PWATER IMAGES...WILL LEAN TOWARD THE ETA SOLUTION TUESDAY AFTERNOON AND AGAIN WEDNESDAY. MRF SHOWS A SLIGHT INCREASE IN MOISTURE FOR THE WEEKEND...SO WILL KEEP ISOLATED/CHANCE POPS THROUGH THE EXTENDED FORECAST. DRB .TWC...NONE.
In the hours before
Special weather statement, Jun 25, 12:45 PM MST, 5 hours 29 minutes before
AZZ019-029>035-250500- SOUTHEAST ARIZONA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 1245 PM MST MON JUN 25 2001 .SYNOPSIS...SHOWER AND THUNDERSTORM ACTIVITY IS PRIMARILY IN PIMA...PINAL...AND SANTA CRUZ COUNTIES RIGHT NOW BUT WILL BECOME MORE WIDESPREAD TO INCLUDE COCHISE...GRAHAM...AND GREENLEE COUNTIES THROUGH THE EARLY AFTERNOON. THE EXTENSIVE CLOUD COVER WILL REDUCE THE MAXIMUM HEATING POTENTIAL THIS AFTERNOON...THUS THE SEVERE THUNDERSTORM THREAT REMAINS LOW. THE FLASH FLOOD THREAT INCREASES SLIGHTLY THROUGH THE AFTERNOON AS AN INFLUX OF MOISTURE CONTINUES ACROSS SOUTHEAST ARIZONA. .DISCUSSION...THE UPPER LEVEL LOW IS LOCATED OVER NORTHERN BAJA AND WILL BE MOVING NORTHEASTWARD OVER ARIZONA THROUGH TUESDAY MORNING. THE INFLUX OF MID LEVEL MOISTURE FROM MEXICO AND THE DEFORMATION ZONE HAS LEAD TO THE WIDESPREAD SHOWER ACTIVITY THROUGH THE WESTERN PORTIONS OF ARIZONA. THE SHOWER AND THUNDERSTORM ACTIVITY IS BEGINNING TO DEVELOP AND MOVE INTO COCHISE COUNTY AS THE DEFORMATION AXIS BEGINS TO TILT. SEVERE THUNDERSTORM THREATS WILL BE NEAR OR SLIGHTLY BELOW CLIMATOLOGY DUE TO THE EXTENSIVE CLOUD COVER OVER PIMA...PINAL...AND SANTA CRUZ COUNTIES. THE THREAT WILL BE NEAR CLIMATOLOGY OR SLIGHLY HIGHER IN COCHISE AND GRAHAM COUNTIES SINCE THE CLOUD COVER WAS NOT AS EXTENSIVE. FLASH FLOOD THREATS WILL BE SLIGHTLY ABOVE CLIMATOLOGY IN THE MOUNTAINOUS TERRAIN AND NEAR CLIMATOLOGY IN THE WESTERN DESERTS. STORM MOVEMENT TODAY WILL BE TO THE NORTHEAST AT 10 TO 15 MPH.
Local storm report, Jun 25, 4:19 PM MST, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
0419 PM MST MON JUN 25 2001
TIME (MST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0248 PM SAFFORD ARPT AZ 59 MPH TSTM GUST
06/25/01 GRAHAM BLOWING DUST ALSO REDUCED
VISIBILITY BRIEFLY BELOW 1/2 MILE.
NO DAMAGE REPORTED.Nearby
Severe Thunderstorm Warnings in Arizona, 2001Every severe thunderstorm warning in 2001
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.