Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 1, 2016, 10:43 AM MST for Pima County, Arizona. It was in force for 4 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 1, 2016, 10:43 AM MST (17:43 UTC)
- Expired
- Jul 1, 2016, 2:15 PM MST
- In force
- 4 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 53 km from the middle of the area, began a volume at 17:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 11:15 AM MST | FLASH FLOOD | Tucson, AZ | SWIFT WATER RESCUE ON ELM STREET NEAR TUCSON BLVD. |
| Jul 1, 12:30 PM MST | FLASH FLOOD | Tucson, AZ | OVER 60 WATER RELATED CALLS ACROSS THE CITY... MOSTLY IN MIDTOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 12:00Z, 5.7 hours before the alert went out and 13 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
- 606 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1091 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
072 WGUS55 KTWC 011743 FFWTWC AZC019-011945- /O.NEW.KTWC.FF.W.0001.160701T1743Z-160701T1945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 1043 AM MST FRI JUL 1 2016 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTHEASTERN ARIZONA... * UNTIL 1245 PM MST * AT 1042 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. AN AUTOMATED RAIN GAUGE NEAR DREXEL HEIGHTS HAS RECEIVED OVER 1 INCH IN THE PAST HOUR. * NORMALLY DRY WASHES AND LOW WATER CROSSINGS MAY BE INUNDATED IN THE FOLLOWING LOCATIONS... TUCSON...ORO VALLEY...MARANA...SAHUARITA...FLOWING WELLS...TANQUE VERDE... DREXEL-ALVERNON...CASAS ADOBES...DREXEL HEIGHTS...TUCSON ESTATES... TORTOLITA...LITTLETOWN...VALENCIA WEST...THREE POINTS...SUMMIT...AVRA VALLEY...SOUTH TUCSON...CATALINA FOOTHILLS...MOUNT LEMMON/SUMMERHAVEN AND PICTURE ROCKS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
5 follow-up statements
888 WGUS75 KTWC 011809 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1109 AM MST FRI JUL 1 2016 AZC019-011945- /O.CON.KTWC.FF.W.0001.000000T0000Z-160701T1945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 1109 AM MST FRI JUL 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM MST FOR NORTHEASTERN PIMA COUNTY... AT 1106 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE TUCSON METRO AREA. SOME AREAS IN MIDTOWN TUCSON HAVE SEEN IN EXCESS OF ONE INCH OF RAIN IN THE LAST 30 MINUTES INCLUDING 1.01 INCHES AT THE UNIVERSITY OF ARIZONA. THIS WILL RESULT IN FLASH FLOODING OF WASHES THROUGHOUT THE TUCSON METRO AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
187 WGUS75 KTWC 011839 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1139 AM MST FRI JUL 1 2016 AZC019-011945- /O.CON.KTWC.FF.W.0001.000000T0000Z-160701T1945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 1139 AM MST FRI JUL 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM MST FOR NORTHEASTERN PIMA COUNTY... AT 1137 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE TUCSON METRO AREA. AN AUTOMATED RAIN GAUGE ON THE ALAMO WASH AT GLENN ST IN TUCSON HAS RECEIVED 2.13 INCHES OF RAIN IN THE PAST HOUR WITH 1 TO 2 INCHES COMMON IN PORTIONS OF MIDTOWN TUCSON. ADDITIONAL HEAVY RAINFALL IS POSSIBLE FOR THE NEXT HOUR OR SO. FLASH FLOODING WILL CONTINUE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
946 WGUS55 KTWC 011914 FFWTWC AZC019-012115- /O.EXT.KTWC.FF.W.0001.000000T0000Z-160701T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 1214 PM MST FRI JUL 1 2016 THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTHEASTERN ARIZONA... * UNTIL 215 PM MST * AT 1211 PM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING IN THE TUSCON METRO AREA AS OVER 2 INCHES OF RAIN HAS OCCURRED IN LOCAL SPOTS ACROSS THE CITY. FLASH FLOODING WILL CONTINUE EARLY THIS AFTERNOON. LATEST DOPPLER RADAR SHOWS THE HEAVIEST RAIN HAS ENDED BUT RAIN AMOUNTS UP TO AN ADDITIONAL HALF AN INCH OR SO OVER THE NEXT HOUR COULD EXACERBATE FLOODING ISSUES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
861 WGUS75 KTWC 012005 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 105 PM MST FRI JUL 1 2016 AZC019-012115- /O.CON.KTWC.FF.W.0001.000000T0000Z-160701T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 105 PM MST FRI JUL 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM MST FOR NORTHEASTERN PIMA COUNTY... AT 102 PM MST...FLASH FLOODING CONTINUED ACROSS THE TUCSON METRO AREA WITH WASHES FLOWING RAPIDLY. DOPPLER RADAR INDICATES THAT THE HEAVIEST RAIN HAS NOW PUSHED ACROSS SOUTHEAST PORTIONS OF THE TUCSON METRO AND IS NOW LOCATED NEAR VAIL AND CORONA DE TUCSON AND MOVING EAST. FLASH FLOODING ISSUES WILL CONTINUE FOR THE NEXT HOUR OR SO BUT THEN SUBSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
322 WGUS75 KTWC 012110 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 210 PM MST FRI JUL 1 2016 AZC019-012119- /O.EXP.KTWC.FF.W.0001.000000T0000Z-160701T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA- 210 PM MST FRI JUL 1 2016 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN PIMA COUNTY WILL EXPIRE AT 215 PM MST... HEAVY RAIN HAS ENDED AND FLOODING IS RECEDING. HOWEVER...FLOW WILL CONTINUE THIS AFTERNOON IN AREA WASHES. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3250 11067 3197 11066 3195 11144 3250 11129 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:04 AM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 116 min |
| Jul 1, 11:47 AM MST | Areal Flood Advisory | TWC | Cochise, Graham | 118 min |
| Jul 1, 11:56 AM MST | Areal Flood Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal | 2 hr |
| Jul 1, 2:06 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 114 min |
| Jul 1, 4:34 PM MST | Special Weather Statement | TWC | Pima | 41 min |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.