Alert archive / Utah / Flood Watches in 2011
Flood Watch 5, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flood watch at May 22, 2011, 4:16 AM MDT. It was in force for 4 days.
The area
The counties it named.
The facts
- Issued
- May 22, 2011, 4:16 AM MDT (10:16 UTC)
- Expired
- May 26, 2011, 3:23 PM MDT
- In force
- 4 days
- Issued by
- NWS Salt Lake City, UT
- Flood severity
- None
The text
As transmitted, in the capitals the NWS used until 2016.
308 WGUS65 KSLC 221016 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 416 AM MDT SUN MAY 22 2011 UTZ001-006-007-221800- /O.NEW.KSLC.FA.A.0005.110522T1016Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 416 AM MDT SUN MAY 22 2011 ...FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLOOD WATCH FOR A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS...CACHE VALLEY/UTAH PORTION...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. THIS WATCH INCLUDES CACHE COUNTY AND PORTIONS OF WEBER AND MORGAN COUNTIES. * THROUGH TUESDAY AFTERNOON. * WARMING TEMPERATURES HAVE RESULTED IN ACCELERATED SNOW MELT...AND THE SUBSEQUENT RISES IN MANY OF THE RIVERS IN THE WATCH AREA. RIVERS THAT HAVE BEEN PRONE TO FLOODING THIS SPRING...INCLUDING THE BLACKSMITH FORK RIVER AND THE SOUTH FORK OF THE OGDEN RIVER HAVE BEEN HOVERING NEAR FLOOD STAGE OVERNIGHT. THESE RIVERS...AS WELL AS OTHER IN THE WATCH AREA...WILL CLIMB AGAIN AS THE RUNOFF PICKS UP TODAY. RAIN WILL ALSO BECOME AN ISSUE AS SCATTERED SHOWERS AND THUNDERSTORMS BEGINNING LATER TODAY WILL GRADUALLY TURN INTO A MORE WIDESPREAD RAIN EVENT HEADING INTO LATE MONDAY THROUGH TUESDAY. * STRUCTURES AND ROADWAYS IN LOW-LYING AREAS NEAR WATERWAYS IN THE WATCH AREA WILL BE AT RISK OF FLOODING. PEOPLE IN THESE FLOOD PRONE AREAS SHOULD CONSIDER TAKING ACTIONS TO PROTECT PROPERTY. STAY AWAY FROM RIVERS AND STREAMS AS FLOWS WILL BE COLD AND FAST. KEEP AN EYE ON CHILDREN WHEN NEAR WATER...AND MONITOR PETS WHO TEND TO BE DRAWN TO THE SOUND OF RUSHING WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
15 follow-up statements
827 WGUS65 KSLC 221645 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1045 AM MDT SUN MAY 22 2011 UTZ001-006-007-230500- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 1045 AM MDT SUN MAY 22 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * ACCELERATED SNOWMELT WILL CONTINUE TODAY ACROSS NORTHERN UTAH. AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH FLOOD STAGE TONIGHT INTO MONDAY. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE SOUTH FORK OF THE OGDEN...THE BLACKSMITH FORK...THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWER AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON AND INTO THIS EVENING ADDING ADDITIONAL CONCERN TO ALREADY HIGH FLOWING RIVERS. A MORE WIDESPREAD RAIN EVENT IS EXPECTED MONDAY INTO TUESDAY. THIS WILL PROLONG THE FLOODING THREAT THROUGH TUESDAY. * STRUCTURES AND ROADWAYS IN LOW-LYING AREAS NEAR WATERWAYS IN THE WATCH AREA WILL BE AT RISK OF FLOODING. PEOPLE IN THESE FLOOD PRONE AREAS SHOULD CONSIDER TAKING ACTIONS TO PROTECT PROPERTY. * USE EXTREME CAUTION NEAR RIVERS AND STREAMS AS FLOWS WILL BE HIGH...COLD AND FAST. KEEP AN EYE ON CHILDREN AND PETS WHEN NEAR WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
953 WGUS65 KSLC 221853 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1253 PM MDT SUN MAY 22 2011 UTZ002-230300- /O.EXA.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT- 1253 PM MDT SUN MAY 22 2011 ...FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS EXPANDED THE * FLOOD WATCH TO INCLUDE A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREA...NORTHERN WASATCH FRONT. * THROUGH TUESDAY AFTERNOON * ACCELERATED SNOWMELT WILL CONTINUE TODAY ACROSS NORTHERN UTAH. AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH FLOOD STAGE TONIGHT INTO MONDAY. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE SOUTH FORK OF THE OGDEN...THE BLACKSMITH FORK...THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWER AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON AND INTO THIS EVENING ADDING ADDITIONAL CONCERN TO ALREADY HIGH FLOWING RIVERS. A MORE WIDESPREAD RAIN EVENT IS EXPECTED MONDAY INTO TUESDAY. THIS WILL PROLONG THE FLOODING THREAT THROUGH TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ UTZ001-006-007-230300- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 1253 PM MDT SUN MAY 22 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * ACCELERATED SNOWMELT WILL CONTINUE TODAY ACROSS NORTHERN UTAH. AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH FLOOD STAGE TONIGHT INTO MONDAY. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE SOUTH FORK OF THE OGDEN...THE BLACKSMITH FORK...THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWER AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON AND INTO THIS EVENING ADDING ADDITIONAL CONCERN TO ALREADY HIGH FLOWING RIVERS. A MORE WIDESPREAD RAIN EVENT IS EXPECTED MONDAY INTO TUESDAY. THIS WILL PROLONG THE FLOODING THREAT THROUGH TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
549 WGUS65 KSLC 221854 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1254 PM MDT SUN MAY 22 2011 UTZ001-002-006-007-230500- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 1254 PM MDT SUN MAY 22 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * ACCELERATED SNOWMELT WILL CONTINUE TODAY ACROSS NORTHERN UTAH. AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH FLOOD STAGE TONIGHT INTO MONDAY. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE SOUTH FORK OF THE OGDEN...THE BLACKSMITH FORK...THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWER AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON AND INTO THIS EVENING ADDING ADDITIONAL CONCERN TO ALREADY HIGH FLOWING RIVERS. A MORE WIDESPREAD RAIN EVENT IS EXPECTED MONDAY INTO TUESDAY. THIS WILL PROLONG THE FLOODING THREAT THROUGH TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
400 WGUS65 KSLC 230259 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 859 PM MDT SUN MAY 22 2011 UTZ001-002-006-007-231200- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 859 PM MDT SUN MAY 22 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH FLOOD STAGE TONIGHT INTO MONDAY. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE SOUTH FORK OF THE OGDEN...THE BLACKSMITH FORK...THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH TUESDAY...WITH ADDITIONAL RAINFALL ADDING TO THE ALREADY HIGH FLOWS ACROSS AREA STREAMS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ ROGOWSKI FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
749 WGUS65 KSLC 231032 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 432 AM MDT MON MAY 23 2011 UTZ001-002-006-007-231915- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 432 AM MDT MON MAY 23 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... THE CACHE VALLEY UTAH PORTION...THE NORTHERN WASATCH FRONT...THE WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH OR EXCEED FLOOD STAGE TODAY AND TONIGHT. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE...THE BLACKSMITH FORK AND THE LITTLE BEAR IN CACHE COUNTY AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWERS AND THUNDERSTORMS WILL CONTINUE TODAY THROUGH TUESDAY...WITH ADDITIONAL RAINFALL ADDING TO THE ALREADY HIGH FLOWS ACROSS AREA STREAMS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
671 WGUS65 KSLC 231950 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 150 PM MDT MON MAY 23 2011 UTZ001-002-006-007-240500- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 150 PM MDT MON MAY 23 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE FORECAST TO APPROACH OR EXCEED FLOOD STAGE TODAY AND TONIGHT. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE BLACKSMITH FORK AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWERS AND THUNDERSTORMS WILL CONTINUE TODAY THROUGH TUESDAY...WITH ADDITIONAL RAINFALL ADDING TO THE ALREADY HIGH FLOWS ACROSS AREA STREAMS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
204 WGUS65 KSLC 240406 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1006 PM MDT MON MAY 23 2011 UTZ001-002-006-007-241300- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 1006 PM MDT MON MAY 23 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY/UTAH PORTION...NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH TUESDAY AFTERNOON * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL MAY APPROACH OR EXCEED FLOOD STAGE TONIGHT. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE BLACKSMITH FORK AS WELL AS THE WEBER RIVER BELOW ECHO RESERVOIR. * SHOWERS AND THUNDERSTORMS WILL CONTINUE TODAY THROUGH TUESDAY...WITH ADDITIONAL RAINFALL ADDING TO THE ALREADY HIGH FLOWS ACROSS AREA STREAMS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
014 WGUS65 KSLC 241156 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 556 AM MDT TUE MAY 24 2011 UTZ001-002-006-007-242000- /O.CON.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-80 NORTH- 556 AM MDT TUE MAY 24 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... CACHE VALLEY UTAH PORTION...NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH THIS AFTERNOON * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR JUST TOUCHING FLOOD STAGE THIS MORNING. THE RIVERS OF HIGHEST CONCERN CONTINUE TO BE THE BLACKSMITH FORK IN CACHE COUNTY...LOST CREEK IN MORGAN COUNTY...AND THE WEBER RIVER BELOW ECHO RESERVOIR. * LOCALLY HEAVY RAIN EARLY TODAY WILL TAPER OFF BY MID MORNING. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. THIS ADDITIONAL RAINFALL HAS BEEN CAUSING RISES ON THESE RIVERS ADDING TO THE ALREADY HIGH FLOWS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
958 WGUS65 KSLC 242117 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 317 PM MDT TUE MAY 24 2011 UTZ001-242230- /O.CAN.KSLC.FA.A.0005.000000T0000Z-110525T0000Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CACHE VALLEY/UTAH PORTION- 317 PM MDT TUE MAY 24 2011 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR THE CACHE VALLEY OF UTAH HAS BEEN CANCELLED. RAINFALL HAS DIMINISHED...FORECAST TEMPERATURES ARE NOT CONDUCIVE TO INDUCE RAPID SNOWMELT. $$ UTZ002-006-007-250600- /O.EXT.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 317 PM MDT TUE MAY 24 2011 ...FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR EXCEEDING FLOOD STAGE TODAY. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * HEAVY RAINFALL OVER THE PAST SEVERAL DAYS HAS INCREASED ALREADY HIGH FLOWS ACROSS SEVERAL AREA RIVERS. FORECAST RESERVOIR OUTFLOWS IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE THEIR VOLUMES OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ KRUSE/MCINERNEY FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
983 WGUS65 KSLC 250353 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 953 PM MDT TUE MAY 24 2011 UTZ002-006-007-251300- /O.CON.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 953 PM MDT TUE MAY 24 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR EXCEEDING FLOOD STAGE TODAY. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * HEAVY RAINFALL OVER THE PAST SEVERAL DAYS HAS INCREASED ALREADY HIGH FLOWS ACROSS SEVERAL AREA RIVERS. RESERVOIR OUTFLOWS IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE THEIR VOLUMES OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
651 WGUS65 KSLC 251129 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 529 AM MDT WED MAY 25 2011 UTZ002-006-007-252215- /O.CON.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 529 AM MDT WED MAY 25 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR EXCEEDING FLOOD STAGE TODAY. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * HEAVY RAINFALL OVER THE PAST SEVERAL DAYS HAS INCREASED ALREADY HIGH FLOWS ACROSS SEVERAL AREA RIVERS. RESERVOIR OUTFLOWS IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE THEIR VOLUMES OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
593 WGUS65 KSLC 252149 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 349 PM MDT WED MAY 25 2011 UTZ002-006-007-260600- /O.CON.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 349 PM MDT WED MAY 25 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR EXCEEDING FLOOD STAGE TODAY. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * HEAVY RAINFALL OVER THE PAST SEVERAL DAYS HAS INCREASED ALREADY HIGH FLOWS ACROSS SEVERAL AREA RIVERS. RESERVOIR OUTFLOWS IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE THEIR VOLUMES OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
294 WGUS65 KSLC 260414 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1014 PM MDT WED MAY 25 2011 UTZ002-006-007-261300- /O.CON.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 1014 PM MDT WED MAY 25 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE APPROACHING OR EXCEEDING FLOOD STAGE THIS EVENING. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * SNOWMELT THAT OCCURRED TODAY HAS INCREASED ALREADY HIGH FLOWS ACROSS SEVERAL AREA RIVERS. IN ADDITION...RESERVOIR OUTFLOWS IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE THEIR VOLUMES OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
741 WGUS65 KSLC 261132 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 532 AM MDT THU MAY 26 2011 UTZ002-006-007-261945- /O.CON.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 532 AM MDT THU MAY 26 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN UTAH...INCLUDING THE FOLLOWING AREAS... NORTHERN WASATCH FRONT...WASATCH MOUNTAIN VALLEYS AND WASATCH MOUNTAINS I-80 NORTH. * THROUGH SATURDAY MORNING * AREA RIVERS ARE EXPERIENCING HIGH FLOWS AND SEVERAL ARE NEAR OR ABOVE FLOOD STAGE THIS MORNING. THE WEBER RIVER BELOW ECHO RESERVOIR IS THE HIGHEST CONCERN AT THIS TIME. * FLOWS ROSE OVERNIGHT FROM YESTERDAYS SNOWMELT ACROSS SEVERAL AREA RIVERS. IN ADDITION...RESERVOIR OUTFLOW VOLUMES IN THE WEBER SYSTEM ARE ANTICIPATED TO INCREASE OVER TIME. AS A RESULT...CONTINUED HIGH FLOWS ARE FORECAST FOR THE WEBER RIVER BELOW ECHO RESERVOIR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
134 WGUS65 KSLC 262123 FFASLC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 323 PM MDT THU MAY 26 2011 UTZ002-006-007-262230- /O.CAN.KSLC.FA.A.0005.000000T0000Z-110528T1500Z/ /00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WASATCH FRONT-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH- 323 PM MDT THU MAY 26 2011 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR A PORTION OF NORTHERN UTAH HAS BEEN CANCELLED. FLOOD WARNINGS REMAIN IN EFFECT FOR THE LOWER WEBER RIVER FROM THE MOUTH OF WEBER CANYON TO ITS TERMINATION AT THE GREAT SALT LAKE...THE SOUTH FORK OF THE OGDEN RIVER...AND LOST CREEK BELOW LOST CREEK RESERVOIR. NO SIGNIFICANT RAINFALL IS ANTICIPATED THROUGH EARLY SATURDAY...AND THE CONTRIBUTION TO RUNOFF FROM SNOWMELT IS NOT EXPECTED TO BE SUFFICIENT AT THIS TIME TO RESULT IN ADDITIONAL FLOODING THROUGH SATURDAY. HOWEVER...AREA WATERWAYS WILL CONTINUE TO FLOW HIGH AND FAST. $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Salt Lake City, UT wrote its last area forecast discussion before this flood watch went out at May 21, 7:21 PM MDT, 8 hours 55 minutes earlier.
Area forecast discussion, May 21, 7:21 PM MDT, 8 hours 55 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 721 PM MDT SAT MAY 21 2011 .SYNOPSIS...HIGH PRESSURE WILL MOVE EAST ACROSS THE GREAT BASIN THROUGH TOMORROW MORNING. THE NEXT PACIFIC SYSTEM WILL BEGIN TO IMPACT THE AREA TOMORROW AND REMAIN IN PLACE THROUGH MIDWEEK. && .DISCUSSION...WATER VAPOR SHOWS A RIDGE OVER UTAH WITH AN APPROACHING TROUGH OVER THE WESTERN GREAT BASIN. A RIBBON OF GREATER PRECIPITABLE WATER VALUES IS APPROACHING THE WESTERN BORDER OF UTAH PER THE BLENDED PRECIPITABLE WATER PRODUCT. AFTERNOON CONVECTION ACROSS FAR NORTHERN UTAH HAS DECAYED WITH LOSS OF PEAK DIURNAL HEATING. AS THE EVENING PROGRESSES...FEEL MENTIONABLE CHANCES OF PRECIPITATION WILL SHIFT WEST TOWARD THE NEVADA BORDER...WHICH IS SUPPORTED BY SIMULATED REFLECTIVITY FROM THE HRRR-3KM AND 12Z 4KM WRF-NMM RUN FOR SPC. LOWERED POPS EAST OF THE DESERTS THROUGH MIDNIGHT PER RADAR TRENDS. SHOULD BE DIFFICULT FOR MOISTURE TO ADVECT EASTWARD TOO QUICKLY CONSIDERING THE POSITION OF THE MID LEVEL RIDGE AXIS. THROUGH TOMORROW MORNING...FOCUS SHOULD REMAIN WEST OF THE TOOELE VALLEY WITH GRADUAL EASTWARD PROGRESS OF SHOWER ACTIVITY AS THE RIDGE SHIFTS EAST. ADJUSTED POP/SKY GRIDS TO REFLECT THIS THINKING. SNOW LEVELS SHOULD REMAIN ABOUT 10KFT. KEPT MENTION OF THUNDER OUT OF THE FORECAST THROUGH TOMORROW MORNING CONSIDERING SYNOPTIC/DIURNAL PICTURE. WHILE 15Z SHORT RANGE ENSEMBLES INDICATE ENOUGH INSTABILITY FOR THUNDER BY LATE MORNING...FOCUS WILL BE DURING THE AFTERNOON AND EVENING AS MOISTURE INCREASES DURING DIURNAL HEATING. ALL INDICATIONS ARE THAT CONVECTION WILL DEEPEN/DEVELOP DURING THE MIDDAY SUNDAY WITH GREATEST COVERAGE ACROSS CENTRAL AND NORTHERN UTAH PER TRACK AND TIMING OF PIVOTING UPSTREAM DISTURBANCE. ACTIVITY SHOULD BE MORE ISOLATED SOUTH OF INTERSTATE 70. NO CHANGES MADE BEYOND TOMORROW MORNING. PREVIOUS DISCUSSION FOLLOWS... WITH TEMPERATURES NEAR NORMAL LEVELS...SNOWMELT WILL ACCELERATE ACROSS THE HIGHER ELEVATIONS. RIVERS ACROSS NORTHERN/CENTRAL UTAH ARE ALREADY RUNNING QUITE HIGH AND ADDITIONAL SNOWMELT MAY PUSH SOME OF THE MOST FLOOD-PRONE RIVERS TO NEAR OR ABOVE FLOOD STAGE LATE SUNDAY AND MONDAY. THE RIVERS OF HIGHEST CONCERN THROUGH MONDAY MORNING INCLUDE THE WEBER BELOW ECHO RESERVOIR...THE SOUTH FORK OF THE OGDEN BETWEEN CAUSEY AND PINEVIEW RESERVOIRS AND POSSIBLY THE BLACKSMITH FORK IN CACHE COUNTY. SEE THE HYDRO DISCUSSION FOR MORE DETAILS. SOMEWHAT ORGANIZED CONVECTION IS THE MAIN FORECAST ISSUE FOR SUNDAY. A SHORTWAVE EMBEDDED IN THE SOUTHWESTERLY FLOW AHEAD OF THE NEXT PACIFIC SYSTEM IS EXPECTED TO MOVE ACROSS NORTHERN/CENTRAL UTAH DURING THE AFTERNOON. AM A BIT CONCERNED THE SHORTWAVE WILL MOVE ACROSS THE AREA A BIT TOO EARLY AND SUBSIDENCE BEHIND THE WAVE MAY BE PRESENT FOR THE LATER AFTERNOON/EVENING PERIOD. ERRED ON THE SIDE OF A SLIGHTLY SLOWER SHORTWAVE. SREF ENSEMBLE FORECASTS CONTINUE TO INDICATE SURFACE CAPE IN EXCESS OF 500 J/KG WILL BE POSSIBLE. THE NAM BUFR SOUNDING AT SLC INDICATES PWS MAY APPROACH 0.80 INCHES. THE ONLY CONCERN IS SHEAR MAY BE ON THE LOW SIDE FOR ORGANIZED CONVECTION. GUSTY WINDS AND HEAVY RAINFALL ARE THE TWO BIGGEST CONCERNS AT THIS POINT. AM A BIT CONCERNED HEAVY...CONVECTIVE RAINFALL WILL OCCUR AS MUCH OF NORTHERN UTAH IS QUITE SATURATED AND ANY HEAVY PRECIPITATION IS EXPECTED TO RUNOFF. THE NEXT PACIFIC SYSTEM WILL SLOWLY MOVE THROUGH THE AREA LATER SUNDAY INTO WEDNESDAY. THIS SYSTEM WILL KEEP WIDESPREAD PRECIPITATION ACROSS MUCH OF THE AREA THROUGH AT LEAST TUESDAY. WENT A BIT ABOVE GFS WITH QPF AMOUNTS. HYDROGRAPHS INDICATE THAT THIS PRECIPITATION MAY KEEP THE AFOREMENTIONED FLOOD PRONE RIVERS ABOVE FLOOD STAGE FOR SEVERAL ADDITIONAL DAYS. AFTER THIS TROUGH PULLS AWAY...ANOTHER BRUSH BY SYSTEM IS EXPECTED TO BRING A DRY COLD FRONT THROUGH THE NORTHERN PORTIONS OF THE STATE ON THURSDAY. AFTER THIS POINT...MODEL CONSISTENCY STARTS TO DECREASE SIGNIFICANTLY. THE EC CONTINUES TO INDICATE A VERY WARM PATTERN SHIFT FOR NEXT WEEKEND INTO MEMORIAL DAY. THE 12Z GFS IS WARMER THAN YESTERDAYS RUNS...BUT IS STILL MORE PROGRESSIVE WITH THE TROUGH OFFSHORE THE PACIFIC COAST. FORECAST CONFIDENCE BEYOND FRIDAY REMAINS LOW. && .HYDROLOGY...WARMER TEMPERATURES THIS WEEKEND WILL ACCELERATE THE SNOWMELT AT THE HIGHER ELEVATIONS. ALREADY HIGH FLOWS ON MANY OF THE WATERWAYS ACROSS MAINLY NORTHERN UTAH WILL CLIMB THROUGH SUNDAY. IT IS POSSIBLE SEVERAL OF THE MORE FLOOD-PRONE RIVERS ACROSS NORTHERN UTAH WILL NEAR OR EXCEED FLOOD STAGE THIS WEEKEND. CONTINUE TO MONITOR HYDROLOGIC PRODUCTS FOR UPDATES ON THIS SITUATION. IT IS IMPORTANT TO NOTE THAT ALL AREA RIVERS AND STREAMS WILL BE RUNNING VERY HIGH...FAST AND COLD. PLEASE USE EXTREME CAUTION NEAR ANY WATERWAYS THIS WEEKEND. ADDITIONAL PRECIPITATION EARLY NEXT WEEK MAY KEEP SEVERAL AREA RIVERS NEAR TO ABOVE FLOOD STAGE THROUGH TUESDAY OR WEDNESDAY...DEPENDING ON THE RESPONSE FROM SNOWMELT THIS WEEKEND. IF NORTHERN UTAH IN FACT EXPERIENCES A LONG DURATION PERIOD OF NORMAL TO ABOVE NORMAL TEMPERATURES ACROSS MEMORIAL DAY WEEKEND...VERY HIGH FLOWS DUE TO SNOWMELT CAN BE EXPECTED ON AN INCREASING NUMBER OF RIVERS ACROSS NORTHERN AND CENTRAL UTAH. && .AVIATION...SURFACE WINDS SHOULD SWITCH BACK TO THE SOUTHEAST AT THE SLC TERMINAL BETWEEN 02Z AND 04Z WITH MID LEVEL CLOUDS OVERSPREADING AFTER MIDNIGHT. EXPECT SHOWER ACTIVITY TO REMAIN NEAR THE NEVADA BORDER THROUGH THE EVENING...BEFORE GRADUALLY ADVANCING EAST TOWARD THE SALT LAKE VALLEY BY MORNING. CONVECTION WILL DEEPEN AND DEVELOP ACROSS NORTHERN UTAH MIDDAY SUNDAY AND MAY POTENTIALLY IMPACT THE TERMINAL SEVERAL TIMES THROUGH SUNDAY EVENING. && .FIRE WEATHER...THE WARMER AND DRIER CONDITIONS OF TODAY WILL YIELD TO ANOTHER STORM SYSTEM WHICH WILL IMPACT THE AREA TOMORROW THROUGH TUESDAY. SHOWERS AND THUNDERSTORMS WILL DEVELOP TOMORROW WITH MORE WIDESPREAD PRECIPITATION EXPECTED MONDAY AND TUESDAY. THESE SHOWERS WILL BRING A GOOD CHANCE OF WETTING RAIN TO MUCH OF THE FIRE DISTRICT...KEEPING HUMIDITIES ON THE HIGH SIDE. A MORE EXTENDED PERIOD OF WARM AND DRY CONDITIONS LOOKS TO FINALLY DEVELOP FOR THE SECOND HALF OF THE UPCOMING WEEK. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...NONE. WY...NONE. && PUBLIC...ROGOWSKI/KRUSE FIRE WEATHER...CHENG AVIATION...ROGOWSKI HYDROLOGY...ROGOWSKI/KRUSE FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION VISIT... HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)
Hazardous weather outlook, May 21, 10:15 AM MDT, 18 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1015 AM MDT SAT MAY 21 2011 UTZ001>016-019>021-517-518-WYZ021-221300- CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT- GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80- WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS- WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL- SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH- UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS- SOUTHERN MOUNTAINS-SOUTHWEST WYOMING- 1015 AM MDT SAT MAY 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT HIGH PRESSURE WILL SETTLE ACROSS UTAH THIS AFTERNOON...AND REMAIN THROUGH TONIGHT. NEAR NORMAL TEMPERATURES WILL BE EXPERIENCED ACROSS MUCH OF THE REGION TODAY. AREA RIVERS ACROSS NORTHERN UTAH WILL CONTINUE TO EXPERIENCE HIGH FLOWS DUE TO THE RELATIVELY HEAVY PRECIPITATION OVER THE PAST FEW DAYS. WARMER TEMPERATURES WILL ACCELERATE THE HIGH ELEVATION SNOWMELT BEGINNING THIS AFTERNOON AND ADD TO THESE ALREADY HIGH FLOWS. IT IS IMPORTANT TO NOTE THAT ALL AREA RIVERS AND STREAMS WILL BE RUNNING VERY HIGH...FAST AND COLD. PLEASE USE EXTREME CAUTION NEAR ANY WATERWAYS THIS WEEKEND. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE SUNDAY AFTERNOON AND EVENING ALONG THE LEADING EDGE OF THE NEXT PACIFIC STORM SYSTEM. GUSTY WINDS AND HEAVY RAINFALL WILL BE THE MAIN THREAT WITH ANY THUNDERSTORMS. ACCELERATED HIGH ELEVATION SNOWMELT WILL CONTINUE SUNDAY...CONTRIBUTING TO ALREADY HIGH FLOWS ACROSS AREA RIVERS. A FEW OF THE MORE FLOOD PRONE RIVERS MAY NEAR OR EXCEED FLOOD STAGE LATE SUNDAY INTO MONDAY. THE PACIFIC STORM WILL SETTLE INTO THE GREAT BASIN EARLY NEXT WEEK. WIDESPREAD PRECIPITATION AND COOLER TEMPERATURES ARE EXPECTED MONDAY NIGHT THROUGH TUESDAY NIGHT. LINGERING SHOWERS LATE TUESDAY NIGHT THROUGH EARLY WEDNESDAY WILL MOVE EAST AS HIGH PRESSURE RETURNS TO UTAH BY LATE WEDNESDAY. GENERALLY DRY CONDITIONS WILL EXIST ACROSS THE AREA LATE IN THE WEEK. SEASONAL TEMPERATURES ARE ANTICIPATED THURSDAY...WITH ABOVE NORMAL TEMPERATURES ON FRIDAY. THE MUCH WARMER TEMPERATURES LATE IN THE WEEK WILL AGAIN ACCELERATE THE SNOWMELT STATEWIDE. SEVERAL FLOOD PRONE RIVERS ACROSS NORTHERN UTAH COULD EXCEED FLOOD STAGE. CONTINUE TO MONITOR HYDROLOGY PRODUCTS OVER THE NEXT SEVERAL DAYS FOR UPDATED INFORMATION. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:35 PM MDT | Areal Flood Advisory | SLC | Weber | 3 hr |
| May 21, 8:42 PM MDT | Areal Flood Advisory | SLC | Weber | 3 hr |
| May 22, 12:05 PM MDT | Areal Flood Warning | SLC | Weber | 18 days |
| May 22, 3:27 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 48 min |
| May 22, 3:43 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 47 min |
| May 22, 4:12 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 48 min |
| May 22, 4:28 PM MDT | Special Weather Statement | SLC | Juab, Tooele | 47 min |
| May 22, 4:44 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 61 min |
| May 22, 4:50 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 55 min |
| May 22, 5:20 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 55 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.